Home / 9,385.38-12,952.26-5,193.72

Finding the Fourth Proportional to 9,385.38, 12,952.26 and 5,193.72

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Solution

The fourth proportional to 9,385.38, 12,952.26 and 5,193.72 is: 7,167.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,385.38 : 12,952.26 = 5,193.72 : x
  2. Step 2: Convert to fraction form
    9,385.38/12,952.26 = 5,193.72/x
  3. Step 3: Cross multiply
    9,385.38x = 12,952.26 × 5,193.72
  4. Step 4: Simplify right side
    9,385.38x = 67,270,411.81
  5. Step 5: Solve for x
    x = 67,270,411.81/9,385.38
  6. Step 6: Final answer
    x = 7,167.57

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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.