Home / 20,228.76-30,318.18-14,373

Finding the Fourth Proportional to 20,228.76, 30,318.18 and 14,373

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Solution

The fourth proportional to 20,228.76, 30,318.18 and 14,373 is: 21,541.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,228.76 : 30,318.18 = 14,373 : x
  2. Step 2: Convert to fraction form
    20,228.76/30,318.18 = 14,373/x
  3. Step 3: Cross multiply
    20,228.76x = 30,318.18 × 14,373
  4. Step 4: Simplify right side
    20,228.76x = 435,763,201.14
  5. Step 5: Solve for x
    x = 435,763,201.14/20,228.76
  6. Step 6: Final answer
    x = 21,541.77

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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.