Home / 14,820.28-22,219.96-7,419.44

Finding the Fourth Proportional to 14,820.28, 22,219.96 and 7,419.44

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Solution

The fourth proportional to 14,820.28, 22,219.96 and 7,419.44 is: 11,123.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,820.28 : 22,219.96 = 7,419.44 : x
  2. Step 2: Convert to fraction form
    14,820.28/22,219.96 = 7,419.44/x
  3. Step 3: Cross multiply
    14,820.28x = 22,219.96 × 7,419.44
  4. Step 4: Simplify right side
    14,820.28x = 164,859,660.02
  5. Step 5: Solve for x
    x = 164,859,660.02/14,820.28
  6. Step 6: Final answer
    x = 11,123.92

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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.