Home / 10,419.98-15,631.50-3,023.48

Finding the Fourth Proportional to 10,419.98, 15,631.50 and 3,023.48

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Solution

The fourth proportional to 10,419.98, 15,631.50 and 3,023.48 is: 4,535.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,419.98 : 15,631.50 = 3,023.48 : x
  2. Step 2: Convert to fraction form
    10,419.98/15,631.50 = 3,023.48/x
  3. Step 3: Cross multiply
    10,419.98x = 15,631.50 × 3,023.48
  4. Step 4: Simplify right side
    10,419.98x = 47,261,460.80
  5. Step 5: Solve for x
    x = 47,261,460.80/10,419.98
  6. Step 6: Final answer
    x = 4,535.66

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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.