Home / 21,490.77-32,237.70-8,998.23

Finding the Fourth Proportional to 21,490.77, 32,237.70 and 8,998.23

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Solution

The fourth proportional to 21,490.77, 32,237.70 and 8,998.23 is: 13,497.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,490.77 : 32,237.70 = 8,998.23 : x
  2. Step 2: Convert to fraction form
    21,490.77/32,237.70 = 8,998.23/x
  3. Step 3: Cross multiply
    21,490.77x = 32,237.70 × 8,998.23
  4. Step 4: Simplify right side
    21,490.77x = 290,082,239.27
  5. Step 5: Solve for x
    x = 290,082,239.27/21,490.77
  6. Step 6: Final answer
    x = 13,497.99

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.