Home / 14,248.92-21,377.70-6,851.28

Finding the Fourth Proportional to 14,248.92, 21,377.70 and 6,851.28

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Solution

The fourth proportional to 14,248.92, 21,377.70 and 6,851.28 is: 10,279.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,248.92 : 21,377.70 = 6,851.28 : x
  2. Step 2: Convert to fraction form
    14,248.92/21,377.70 = 6,851.28/x
  3. Step 3: Cross multiply
    14,248.92x = 21,377.70 × 6,851.28
  4. Step 4: Simplify right side
    14,248.92x = 146,464,608.46
  5. Step 5: Solve for x
    x = 146,464,608.46/14,248.92
  6. Step 6: Final answer
    x = 10,279.00

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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.