Home / 9,314.72-12,854.40-5,123.04

Finding the Fourth Proportional to 9,314.72, 12,854.40 and 5,123.04

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Solution

The fourth proportional to 9,314.72, 12,854.40 and 5,123.04 is: 7,069.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,314.72 : 12,854.40 = 5,123.04 : x
  2. Step 2: Convert to fraction form
    9,314.72/12,854.40 = 5,123.04/x
  3. Step 3: Cross multiply
    9,314.72x = 12,854.40 × 5,123.04
  4. Step 4: Simplify right side
    9,314.72x = 65,853,605.38
  5. Step 5: Solve for x
    x = 65,853,605.38/9,314.72
  6. Step 6: Final answer
    x = 7,069.84

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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.