Home / 15,981.43-23,972.16-7,206.13

Finding the Fourth Proportional to 15,981.43, 23,972.16 and 7,206.13

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Solution

The fourth proportional to 15,981.43, 23,972.16 and 7,206.13 is: 10,809.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,981.43 : 23,972.16 = 7,206.13 : x
  2. Step 2: Convert to fraction form
    15,981.43/23,972.16 = 7,206.13/x
  3. Step 3: Cross multiply
    15,981.43x = 23,972.16 × 7,206.13
  4. Step 4: Simplify right side
    15,981.43x = 172,746,501.34
  5. Step 5: Solve for x
    x = 172,746,501.34/15,981.43
  6. Step 6: Final answer
    x = 10,809.20

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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.