Home / 15,319.57-22,981.31-5,459.85

Finding the Fourth Proportional to 15,319.57, 22,981.31 and 5,459.85

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Solution

The fourth proportional to 15,319.57, 22,981.31 and 5,459.85 is: 8,190.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,319.57 : 22,981.31 = 5,459.85 : x
  2. Step 2: Convert to fraction form
    15,319.57/22,981.31 = 5,459.85/x
  3. Step 3: Cross multiply
    15,319.57x = 22,981.31 × 5,459.85
  4. Step 4: Simplify right side
    15,319.57x = 125,474,390.50
  5. Step 5: Solve for x
    x = 125,474,390.50/15,319.57
  6. Step 6: Final answer
    x = 8,190.46

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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.