Home / 10,549.28-15,829.34-4,709.72

Finding the Fourth Proportional to 10,549.28, 15,829.34 and 4,709.72

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Solution

The fourth proportional to 10,549.28, 15,829.34 and 4,709.72 is: 7,067.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,549.28 : 15,829.34 = 4,709.72 : x
  2. Step 2: Convert to fraction form
    10,549.28/15,829.34 = 4,709.72/x
  3. Step 3: Cross multiply
    10,549.28x = 15,829.34 × 4,709.72
  4. Step 4: Simplify right side
    10,549.28x = 74,551,759.18
  5. Step 5: Solve for x
    x = 74,551,759.18/10,549.28
  6. Step 6: Final answer
    x = 7,067.00

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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.