Home / 8,677.47-13,016.27-2,103.65

Finding the Fourth Proportional to 8,677.47, 13,016.27 and 2,103.65

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Solution

The fourth proportional to 8,677.47, 13,016.27 and 2,103.65 is: 3,155.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,677.47 : 13,016.27 = 2,103.65 : x
  2. Step 2: Convert to fraction form
    8,677.47/13,016.27 = 2,103.65/x
  3. Step 3: Cross multiply
    8,677.47x = 13,016.27 × 2,103.65
  4. Step 4: Simplify right side
    8,677.47x = 27,381,741.55
  5. Step 5: Solve for x
    x = 27,381,741.55/8,677.47
  6. Step 6: Final answer
    x = 3,155.50

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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.