Home / 15,755.72-21,746.48-10,732.10

Finding the Fourth Proportional to 15,755.72, 21,746.48 and 10,732.10

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Solution

The fourth proportional to 15,755.72, 21,746.48 and 10,732.10 is: 14,812.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,755.72 : 21,746.48 = 10,732.10 : x
  2. Step 2: Convert to fraction form
    15,755.72/21,746.48 = 10,732.10/x
  3. Step 3: Cross multiply
    15,755.72x = 21,746.48 × 10,732.10
  4. Step 4: Simplify right side
    15,755.72x = 233,385,235.62
  5. Step 5: Solve for x
    x = 233,385,235.62/15,755.72
  6. Step 6: Final answer
    x = 14,812.74

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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.