Home / 14,350.28-21,523.80-4,988.72

Finding the Fourth Proportional to 14,350.28, 21,523.80 and 4,988.72

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Solution

The fourth proportional to 14,350.28, 21,523.80 and 4,988.72 is: 7,482.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,350.28 : 21,523.80 = 4,988.72 : x
  2. Step 2: Convert to fraction form
    14,350.28/21,523.80 = 4,988.72/x
  3. Step 3: Cross multiply
    14,350.28x = 21,523.80 × 4,988.72
  4. Step 4: Simplify right side
    14,350.28x = 107,376,211.54
  5. Step 5: Solve for x
    x = 107,376,211.54/14,350.28
  6. Step 6: Final answer
    x = 7,482.52

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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.