Home / 21,710.48-32,605.82-12,998.93

Finding the Fourth Proportional to 21,710.48, 32,605.82 and 12,998.93

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Solution

The fourth proportional to 21,710.48, 32,605.82 and 12,998.93 is: 19,522.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,710.48 : 32,605.82 = 12,998.93 : x
  2. Step 2: Convert to fraction form
    21,710.48/32,605.82 = 12,998.93/x
  3. Step 3: Cross multiply
    21,710.48x = 32,605.82 × 12,998.93
  4. Step 4: Simplify right side
    21,710.48x = 423,840,641.24
  5. Step 5: Solve for x
    x = 423,840,641.24/21,710.48
  6. Step 6: Final answer
    x = 19,522.40

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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.