Home / 10,354.52-15,499.58-6,660.11

Finding the Fourth Proportional to 10,354.52, 15,499.58 and 6,660.11

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Solution

The fourth proportional to 10,354.52, 15,499.58 and 6,660.11 is: 9,969.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,354.52 : 15,499.58 = 6,660.11 : x
  2. Step 2: Convert to fraction form
    10,354.52/15,499.58 = 6,660.11/x
  3. Step 3: Cross multiply
    10,354.52x = 15,499.58 × 6,660.11
  4. Step 4: Simplify right side
    10,354.52x = 103,228,796.96
  5. Step 5: Solve for x
    x = 103,228,796.96/10,354.52
  6. Step 6: Final answer
    x = 9,969.45

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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.