Home / 14,659.40-20,223.14-9,350.87

Finding the Fourth Proportional to 14,659.40, 20,223.14 and 9,350.87

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Solution

The fourth proportional to 14,659.40, 20,223.14 and 9,350.87 is: 12,899.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,659.40 : 20,223.14 = 9,350.87 : x
  2. Step 2: Convert to fraction form
    14,659.40/20,223.14 = 9,350.87/x
  3. Step 3: Cross multiply
    14,659.40x = 20,223.14 × 9,350.87
  4. Step 4: Simplify right side
    14,659.40x = 189,103,805.26
  5. Step 5: Solve for x
    x = 189,103,805.26/14,659.40
  6. Step 6: Final answer
    x = 12,899.83

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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.