Home / 12,527.52-17,287.12-6,938.72

Finding the Fourth Proportional to 12,527.52, 17,287.12 and 6,938.72

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Solution

The fourth proportional to 12,527.52, 17,287.12 and 6,938.72 is: 9,574.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,527.52 : 17,287.12 = 6,938.72 : x
  2. Step 2: Convert to fraction form
    12,527.52/17,287.12 = 6,938.72/x
  3. Step 3: Cross multiply
    12,527.52x = 17,287.12 × 6,938.72
  4. Step 4: Simplify right side
    12,527.52x = 119,950,485.29
  5. Step 5: Solve for x
    x = 119,950,485.29/12,527.52
  6. Step 6: Final answer
    x = 9,574.96

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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.