Home / 20,063.70-30,100.35-9,666.90

Finding the Fourth Proportional to 20,063.70, 30,100.35 and 9,666.90

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Solution

The fourth proportional to 20,063.70, 30,100.35 and 9,666.90 is: 14,502.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,063.70 : 30,100.35 = 9,666.90 : x
  2. Step 2: Convert to fraction form
    20,063.70/30,100.35 = 9,666.90/x
  3. Step 3: Cross multiply
    20,063.70x = 30,100.35 × 9,666.90
  4. Step 4: Simplify right side
    20,063.70x = 290,977,073.42
  5. Step 5: Solve for x
    x = 290,977,073.42/20,063.70
  6. Step 6: Final answer
    x = 14,502.66

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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.