Home / 14,565.60-20,100.45-8,279.19

Finding the Fourth Proportional to 14,565.60, 20,100.45 and 8,279.19

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Solution

The fourth proportional to 14,565.60, 20,100.45 and 8,279.19 is: 11,425.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,565.60 : 20,100.45 = 8,279.19 : x
  2. Step 2: Convert to fraction form
    14,565.60/20,100.45 = 8,279.19/x
  3. Step 3: Cross multiply
    14,565.60x = 20,100.45 × 8,279.19
  4. Step 4: Simplify right side
    14,565.60x = 166,415,444.64
  5. Step 5: Solve for x
    x = 166,415,444.64/14,565.60
  6. Step 6: Final answer
    x = 11,425.24

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Half scale
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Double scale
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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.