Home / 15,234.94-21,025.29-8,521.19

Finding the Fourth Proportional to 15,234.94, 21,025.29 and 8,521.19

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Solution

The fourth proportional to 15,234.94, 21,025.29 and 8,521.19 is: 11,759.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,234.94 : 21,025.29 = 8,521.19 : x
  2. Step 2: Convert to fraction form
    15,234.94/21,025.29 = 8,521.19/x
  3. Step 3: Cross multiply
    15,234.94x = 21,025.29 × 8,521.19
  4. Step 4: Simplify right side
    15,234.94x = 179,160,490.90
  5. Step 5: Solve for x
    x = 179,160,490.90/15,234.94
  6. Step 6: Final answer
    x = 11,759.84

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.