Home / 13,417.24-20,125.86-3,557.30

Finding the Fourth Proportional to 13,417.24, 20,125.86 and 3,557.30

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Solution

The fourth proportional to 13,417.24, 20,125.86 and 3,557.30 is: 5,335.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,417.24 : 20,125.86 = 3,557.30 : x
  2. Step 2: Convert to fraction form
    13,417.24/20,125.86 = 3,557.30/x
  3. Step 3: Cross multiply
    13,417.24x = 20,125.86 × 3,557.30
  4. Step 4: Simplify right side
    13,417.24x = 71,593,721.78
  5. Step 5: Solve for x
    x = 71,593,721.78/13,417.24
  6. Step 6: Final answer
    x = 5,335.95

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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.