Home / 10,177.04-15,244.08-8,417.72

Finding the Fourth Proportional to 10,177.04, 15,244.08 and 8,417.72

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Solution

The fourth proportional to 10,177.04, 15,244.08 and 8,417.72 is: 12,608.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,177.04 : 15,244.08 = 8,417.72 : x
  2. Step 2: Convert to fraction form
    10,177.04/15,244.08 = 8,417.72/x
  3. Step 3: Cross multiply
    10,177.04x = 15,244.08 × 8,417.72
  4. Step 4: Simplify right side
    10,177.04x = 128,320,397.10
  5. Step 5: Solve for x
    x = 128,320,397.10/10,177.04
  6. Step 6: Final answer
    x = 12,608.81

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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.