Home / 11,535.27-17,302.90-7,638.76

Finding the Fourth Proportional to 11,535.27, 17,302.90 and 7,638.76

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Solution

The fourth proportional to 11,535.27, 17,302.90 and 7,638.76 is: 11,458.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,535.27 : 17,302.90 = 7,638.76 : x
  2. Step 2: Convert to fraction form
    11,535.27/17,302.90 = 7,638.76/x
  3. Step 3: Cross multiply
    11,535.27x = 17,302.90 × 7,638.76
  4. Step 4: Simplify right side
    11,535.27x = 132,172,700.40
  5. Step 5: Solve for x
    x = 132,172,700.40/11,535.27
  6. Step 6: Final answer
    x = 11,458.14

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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.