Home / 20,653.28-30,972.60-7,502.24

Finding the Fourth Proportional to 20,653.28, 30,972.60 and 7,502.24

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Solution

The fourth proportional to 20,653.28, 30,972.60 and 7,502.24 is: 11,250.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,653.28 : 30,972.60 = 7,502.24 : x
  2. Step 2: Convert to fraction form
    20,653.28/30,972.60 = 7,502.24/x
  3. Step 3: Cross multiply
    20,653.28x = 30,972.60 × 7,502.24
  4. Step 4: Simplify right side
    20,653.28x = 232,363,878.62
  5. Step 5: Solve for x
    x = 232,363,878.62/20,653.28
  6. Step 6: Final answer
    x = 11,250.70

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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.