Home / 20,165.04-30,236.42-9,637.70

Finding the Fourth Proportional to 20,165.04, 30,236.42 and 9,637.70

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Solution

The fourth proportional to 20,165.04, 30,236.42 and 9,637.70 is: 14,451.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,165.04 : 30,236.42 = 9,637.70 : x
  2. Step 2: Convert to fraction form
    20,165.04/30,236.42 = 9,637.70/x
  3. Step 3: Cross multiply
    20,165.04x = 30,236.42 × 9,637.70
  4. Step 4: Simplify right side
    20,165.04x = 291,409,545.03
  5. Step 5: Solve for x
    x = 291,409,545.03/20,165.04
  6. Step 6: Final answer
    x = 14,451.23

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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.