Home / 15,156.06-22,720.41-6,391.50

Finding the Fourth Proportional to 15,156.06, 22,720.41 and 6,391.50

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Solution

The fourth proportional to 15,156.06, 22,720.41 and 6,391.50 is: 9,581.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,156.06 : 22,720.41 = 6,391.50 : x
  2. Step 2: Convert to fraction form
    15,156.06/22,720.41 = 6,391.50/x
  3. Step 3: Cross multiply
    15,156.06x = 22,720.41 × 6,391.50
  4. Step 4: Simplify right side
    15,156.06x = 145,217,500.52
  5. Step 5: Solve for x
    x = 145,217,500.52/15,156.06
  6. Step 6: Final answer
    x = 9,581.48

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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.