Home / 10,427.60-15,642.84-3,502.64

Finding the Fourth Proportional to 10,427.60, 15,642.84 and 3,502.64

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Solution

The fourth proportional to 10,427.60, 15,642.84 and 3,502.64 is: 5,254.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,427.60 : 15,642.84 = 3,502.64 : x
  2. Step 2: Convert to fraction form
    10,427.60/15,642.84 = 3,502.64/x
  3. Step 3: Cross multiply
    10,427.60x = 15,642.84 × 3,502.64
  4. Step 4: Simplify right side
    10,427.60x = 54,791,237.10
  5. Step 5: Solve for x
    x = 54,791,237.10/10,427.60
  6. Step 6: Final answer
    x = 5,254.44

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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.