Home / 9,103.13-13,654.56-2,947.13

Finding the Fourth Proportional to 9,103.13, 13,654.56 and 2,947.13

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Solution

The fourth proportional to 9,103.13, 13,654.56 and 2,947.13 is: 4,420.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,103.13 : 13,654.56 = 2,947.13 : x
  2. Step 2: Convert to fraction form
    9,103.13/13,654.56 = 2,947.13/x
  3. Step 3: Cross multiply
    9,103.13x = 13,654.56 × 2,947.13
  4. Step 4: Simplify right side
    9,103.13x = 40,241,763.41
  5. Step 5: Solve for x
    x = 40,241,763.41/9,103.13
  6. Step 6: Final answer
    x = 4,420.65

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1.5x scale

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.