Home / 9,123.74-13,711.26-5,426.64

Finding the Fourth Proportional to 9,123.74, 13,711.26 and 5,426.64

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Solution

The fourth proportional to 9,123.74, 13,711.26 and 5,426.64 is: 8,155.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,123.74 : 13,711.26 = 5,426.64 : x
  2. Step 2: Convert to fraction form
    9,123.74/13,711.26 = 5,426.64/x
  3. Step 3: Cross multiply
    9,123.74x = 13,711.26 × 5,426.64
  4. Step 4: Simplify right side
    9,123.74x = 74,406,071.97
  5. Step 5: Solve for x
    x = 74,406,071.97/9,123.74
  6. Step 6: Final answer
    x = 8,155.22

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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.