Home / 14,406.80-21,610.20-8,998.70

Finding the Fourth Proportional to 14,406.80, 21,610.20 and 8,998.70

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Solution

The fourth proportional to 14,406.80, 21,610.20 and 8,998.70 is: 13,498.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,406.80 : 21,610.20 = 8,998.70 : x
  2. Step 2: Convert to fraction form
    14,406.80/21,610.20 = 8,998.70/x
  3. Step 3: Cross multiply
    14,406.80x = 21,610.20 × 8,998.70
  4. Step 4: Simplify right side
    14,406.80x = 194,463,706.74
  5. Step 5: Solve for x
    x = 194,463,706.74/14,406.80
  6. Step 6: Final answer
    x = 13,498.05

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Double scale
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Similar ratio
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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.