Home / 12,574.17-17,352.72-6,909.27

Finding the Fourth Proportional to 12,574.17, 17,352.72 and 6,909.27

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Solution

The fourth proportional to 12,574.17, 17,352.72 and 6,909.27 is: 9,534.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,574.17 : 17,352.72 = 6,909.27 : x
  2. Step 2: Convert to fraction form
    12,574.17/17,352.72 = 6,909.27/x
  3. Step 3: Cross multiply
    12,574.17x = 17,352.72 × 6,909.27
  4. Step 4: Simplify right side
    12,574.17x = 119,894,627.71
  5. Step 5: Solve for x
    x = 119,894,627.71/12,574.17
  6. Step 6: Final answer
    x = 9,534.99

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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.