Home / 14,304.80-21,428.40-9,092

Finding the Fourth Proportional to 14,304.80, 21,428.40 and 9,092

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Solution

The fourth proportional to 14,304.80, 21,428.40 and 9,092 is: 13,619.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,304.80 : 21,428.40 = 9,092 : x
  2. Step 2: Convert to fraction form
    14,304.80/21,428.40 = 9,092/x
  3. Step 3: Cross multiply
    14,304.80x = 21,428.40 × 9,092
  4. Step 4: Simplify right side
    14,304.80x = 194,827,012.80
  5. Step 5: Solve for x
    x = 194,827,012.80/14,304.80
  6. Step 6: Final answer
    x = 13,619.69

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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.