Home / 9,430.20-14,138.10-5,731.64

Finding the Fourth Proportional to 9,430.20, 14,138.10 and 5,731.64

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Solution

The fourth proportional to 9,430.20, 14,138.10 and 5,731.64 is: 8,593.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,430.20 : 14,138.10 = 5,731.64 : x
  2. Step 2: Convert to fraction form
    9,430.20/14,138.10 = 5,731.64/x
  3. Step 3: Cross multiply
    9,430.20x = 14,138.10 × 5,731.64
  4. Step 4: Simplify right side
    9,430.20x = 81,034,499.48
  5. Step 5: Solve for x
    x = 81,034,499.48/9,430.20
  6. Step 6: Final answer
    x = 8,593.08

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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.