Home / 10,023.32-15,020.63-5,631.55

Finding the Fourth Proportional to 10,023.32, 15,020.63 and 5,631.55

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Solution

The fourth proportional to 10,023.32, 15,020.63 and 5,631.55 is: 8,439.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,023.32 : 15,020.63 = 5,631.55 : x
  2. Step 2: Convert to fraction form
    10,023.32/15,020.63 = 5,631.55/x
  3. Step 3: Cross multiply
    10,023.32x = 15,020.63 × 5,631.55
  4. Step 4: Simplify right side
    10,023.32x = 84,589,418.61
  5. Step 5: Solve for x
    x = 84,589,418.61/10,023.32
  6. Step 6: Final answer
    x = 8,439.26

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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.