Home / 12,560.29-17,331.74-7,523.81

Finding the Fourth Proportional to 12,560.29, 17,331.74 and 7,523.81

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Solution

The fourth proportional to 12,560.29, 17,331.74 and 7,523.81 is: 10,381.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,560.29 : 17,331.74 = 7,523.81 : x
  2. Step 2: Convert to fraction form
    12,560.29/17,331.74 = 7,523.81/x
  3. Step 3: Cross multiply
    12,560.29x = 17,331.74 × 7,523.81
  4. Step 4: Simplify right side
    12,560.29x = 130,400,687.66
  5. Step 5: Solve for x
    x = 130,400,687.66/12,560.29
  6. Step 6: Final answer
    x = 10,381.98

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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.