Home / 15,040.40-22,557.96-5,681.24

Finding the Fourth Proportional to 15,040.40, 22,557.96 and 5,681.24

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Solution

The fourth proportional to 15,040.40, 22,557.96 and 5,681.24 is: 8,520.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,040.40 : 22,557.96 = 5,681.24 : x
  2. Step 2: Convert to fraction form
    15,040.40/22,557.96 = 5,681.24/x
  3. Step 3: Cross multiply
    15,040.40x = 22,557.96 × 5,681.24
  4. Step 4: Simplify right side
    15,040.40x = 128,157,184.67
  5. Step 5: Solve for x
    x = 128,157,184.67/15,040.40
  6. Step 6: Final answer
    x = 8,520.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.