Home / 14,250.28-21,377.44-4,390.36

Finding the Fourth Proportional to 14,250.28, 21,377.44 and 4,390.36

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Solution

The fourth proportional to 14,250.28, 21,377.44 and 4,390.36 is: 6,586.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,250.28 : 21,377.44 = 4,390.36 : x
  2. Step 2: Convert to fraction form
    14,250.28/21,377.44 = 4,390.36/x
  3. Step 3: Cross multiply
    14,250.28x = 21,377.44 × 4,390.36
  4. Step 4: Simplify right side
    14,250.28x = 93,854,657.48
  5. Step 5: Solve for x
    x = 93,854,657.48/14,250.28
  6. Step 6: Final answer
    x = 6,586.16

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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.