Home / 10,016.28-15,004.80-6,543

Finding the Fourth Proportional to 10,016.28, 15,004.80 and 6,543

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Solution

The fourth proportional to 10,016.28, 15,004.80 and 6,543 is: 9,801.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,016.28 : 15,004.80 = 6,543 : x
  2. Step 2: Convert to fraction form
    10,016.28/15,004.80 = 6,543/x
  3. Step 3: Cross multiply
    10,016.28x = 15,004.80 × 6,543
  4. Step 4: Simplify right side
    10,016.28x = 98,176,406.40
  5. Step 5: Solve for x
    x = 98,176,406.40/10,016.28
  6. Step 6: Final answer
    x = 9,801.68

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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.