Home / 9,423.30-12,999.24-6,397.36

Finding the Fourth Proportional to 9,423.30, 12,999.24 and 6,397.36

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Solution

The fourth proportional to 9,423.30, 12,999.24 and 6,397.36 is: 8,825.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,423.30 : 12,999.24 = 6,397.36 : x
  2. Step 2: Convert to fraction form
    9,423.30/12,999.24 = 6,397.36/x
  3. Step 3: Cross multiply
    9,423.30x = 12,999.24 × 6,397.36
  4. Step 4: Simplify right side
    9,423.30x = 83,160,818.01
  5. Step 5: Solve for x
    x = 83,160,818.01/9,423.30
  6. Step 6: Final answer
    x = 8,825.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.