Home / 12,527.12-17,284.79-7,490.54

Finding the Fourth Proportional to 12,527.12, 17,284.79 and 7,490.54

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Solution

The fourth proportional to 12,527.12, 17,284.79 and 7,490.54 is: 10,335.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,527.12 : 17,284.79 = 7,490.54 : x
  2. Step 2: Convert to fraction form
    12,527.12/17,284.79 = 7,490.54/x
  3. Step 3: Cross multiply
    12,527.12x = 17,284.79 × 7,490.54
  4. Step 4: Simplify right side
    12,527.12x = 129,472,472.82
  5. Step 5: Solve for x
    x = 129,472,472.82/12,527.12
  6. Step 6: Final answer
    x = 10,335.37

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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.