Home / 20,248.43-30,372.63-10,875.54

Finding the Fourth Proportional to 20,248.43, 30,372.63 and 10,875.54

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Solution

The fourth proportional to 20,248.43, 30,372.63 and 10,875.54 is: 16,313.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,248.43 : 30,372.63 = 10,875.54 : x
  2. Step 2: Convert to fraction form
    20,248.43/30,372.63 = 10,875.54/x
  3. Step 3: Cross multiply
    20,248.43x = 30,372.63 × 10,875.54
  4. Step 4: Simplify right side
    20,248.43x = 330,318,752.47
  5. Step 5: Solve for x
    x = 330,318,752.47/20,248.43
  6. Step 6: Final answer
    x = 16,313.31

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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.