Home / 14,269.20-21,400.56-6,869.04

Finding the Fourth Proportional to 14,269.20, 21,400.56 and 6,869.04

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Solution

The fourth proportional to 14,269.20, 21,400.56 and 6,869.04 is: 10,302.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,269.20 : 21,400.56 = 6,869.04 : x
  2. Step 2: Convert to fraction form
    14,269.20/21,400.56 = 6,869.04/x
  3. Step 3: Cross multiply
    14,269.20x = 21,400.56 × 6,869.04
  4. Step 4: Simplify right side
    14,269.20x = 147,001,302.66
  5. Step 5: Solve for x
    x = 147,001,302.66/14,269.20
  6. Step 6: Final answer
    x = 10,302.00

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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.