Home / 15,558.08-23,337.13-3,871.30

Finding the Fourth Proportional to 15,558.08, 23,337.13 and 3,871.30

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Solution

The fourth proportional to 15,558.08, 23,337.13 and 3,871.30 is: 5,806.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,558.08 : 23,337.13 = 3,871.30 : x
  2. Step 2: Convert to fraction form
    15,558.08/23,337.13 = 3,871.30/x
  3. Step 3: Cross multiply
    15,558.08x = 23,337.13 × 3,871.30
  4. Step 4: Simplify right side
    15,558.08x = 90,344,999.85
  5. Step 5: Solve for x
    x = 90,344,999.85/15,558.08
  6. Step 6: Final answer
    x = 5,806.95

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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.