Home / 14,377.28-21,577.44-7,453.76

Finding the Fourth Proportional to 14,377.28, 21,577.44 and 7,453.76

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Solution

The fourth proportional to 14,377.28, 21,577.44 and 7,453.76 is: 11,186.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,377.28 : 21,577.44 = 7,453.76 : x
  2. Step 2: Convert to fraction form
    14,377.28/21,577.44 = 7,453.76/x
  3. Step 3: Cross multiply
    14,377.28x = 21,577.44 × 7,453.76
  4. Step 4: Simplify right side
    14,377.28x = 160,833,059.17
  5. Step 5: Solve for x
    x = 160,833,059.17/14,377.28
  6. Step 6: Final answer
    x = 11,186.61

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1.5x scale

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.