Home / 13,248.38-19,873.20-7,400.54

Finding the Fourth Proportional to 13,248.38, 19,873.20 and 7,400.54

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Solution

The fourth proportional to 13,248.38, 19,873.20 and 7,400.54 is: 11,101.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248.38 : 19,873.20 = 7,400.54 : x
  2. Step 2: Convert to fraction form
    13,248.38/19,873.20 = 7,400.54/x
  3. Step 3: Cross multiply
    13,248.38x = 19,873.20 × 7,400.54
  4. Step 4: Simplify right side
    13,248.38x = 147,072,411.53
  5. Step 5: Solve for x
    x = 147,072,411.53/13,248.38
  6. Step 6: Final answer
    x = 11,101.16

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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.