Home / 20,188.13-30,282.46-6,337.13

Finding the Fourth Proportional to 20,188.13, 30,282.46 and 6,337.13

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Solution

The fourth proportional to 20,188.13, 30,282.46 and 6,337.13 is: 9,505.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,188.13 : 30,282.46 = 6,337.13 : x
  2. Step 2: Convert to fraction form
    20,188.13/30,282.46 = 6,337.13/x
  3. Step 3: Cross multiply
    20,188.13x = 30,282.46 × 6,337.13
  4. Step 4: Simplify right side
    20,188.13x = 191,903,718.48
  5. Step 5: Solve for x
    x = 191,903,718.48/20,188.13
  6. Step 6: Final answer
    x = 9,505.77

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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.