Home / 10,204.10-15,306.15-9,718.10

Finding the Fourth Proportional to 10,204.10, 15,306.15 and 9,718.10

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Solution

The fourth proportional to 10,204.10, 15,306.15 and 9,718.10 is: 14,577.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,204.10 : 15,306.15 = 9,718.10 : x
  2. Step 2: Convert to fraction form
    10,204.10/15,306.15 = 9,718.10/x
  3. Step 3: Cross multiply
    10,204.10x = 15,306.15 × 9,718.10
  4. Step 4: Simplify right side
    10,204.10x = 148,746,696.32
  5. Step 5: Solve for x
    x = 148,746,696.32/10,204.10
  6. Step 6: Final answer
    x = 14,577.15

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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.