Home / 9,307.28-12,849.36-6,167.72

Finding the Fourth Proportional to 9,307.28, 12,849.36 and 6,167.72

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Solution

The fourth proportional to 9,307.28, 12,849.36 and 6,167.72 is: 8,514.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,307.28 : 12,849.36 = 6,167.72 : x
  2. Step 2: Convert to fraction form
    9,307.28/12,849.36 = 6,167.72/x
  3. Step 3: Cross multiply
    9,307.28x = 12,849.36 × 6,167.72
  4. Step 4: Simplify right side
    9,307.28x = 79,251,254.66
  5. Step 5: Solve for x
    x = 79,251,254.66/9,307.28
  6. Step 6: Final answer
    x = 8,514.97

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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.