Home / 15,560.16-23,331.92-5,168.16

Finding the Fourth Proportional to 15,560.16, 23,331.92 and 5,168.16

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Solution

The fourth proportional to 15,560.16, 23,331.92 and 5,168.16 is: 7,749.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,560.16 : 23,331.92 = 5,168.16 : x
  2. Step 2: Convert to fraction form
    15,560.16/23,331.92 = 5,168.16/x
  3. Step 3: Cross multiply
    15,560.16x = 23,331.92 × 5,168.16
  4. Step 4: Simplify right side
    15,560.16x = 120,583,095.67
  5. Step 5: Solve for x
    x = 120,583,095.67/15,560.16
  6. Step 6: Final answer
    x = 7,749.48

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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.