Home / 9,425.13-13,006.16-5,176.74

Finding the Fourth Proportional to 9,425.13, 13,006.16 and 5,176.74

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Solution

The fourth proportional to 9,425.13, 13,006.16 and 5,176.74 is: 7,143.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,425.13 : 13,006.16 = 5,176.74 : x
  2. Step 2: Convert to fraction form
    9,425.13/13,006.16 = 5,176.74/x
  3. Step 3: Cross multiply
    9,425.13x = 13,006.16 × 5,176.74
  4. Step 4: Simplify right side
    9,425.13x = 67,329,536.46
  5. Step 5: Solve for x
    x = 67,329,536.46/9,425.13
  6. Step 6: Final answer
    x = 7,143.62

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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.