Home / 11,493.13-17,248.27-8,538.40

Finding the Fourth Proportional to 11,493.13, 17,248.27 and 8,538.40

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Solution

The fourth proportional to 11,493.13, 17,248.27 and 8,538.40 is: 12,813.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,493.13 : 17,248.27 = 8,538.40 : x
  2. Step 2: Convert to fraction form
    11,493.13/17,248.27 = 8,538.40/x
  3. Step 3: Cross multiply
    11,493.13x = 17,248.27 × 8,538.40
  4. Step 4: Simplify right side
    11,493.13x = 147,272,628.57
  5. Step 5: Solve for x
    x = 147,272,628.57/11,493.13
  6. Step 6: Final answer
    x = 12,813.97

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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.