Home / 13,077.12-18,046.28-9,734.88

Finding the Fourth Proportional to 13,077.12, 18,046.28 and 9,734.88

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Solution

The fourth proportional to 13,077.12, 18,046.28 and 9,734.88 is: 13,434.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,077.12 : 18,046.28 = 9,734.88 : x
  2. Step 2: Convert to fraction form
    13,077.12/18,046.28 = 9,734.88/x
  3. Step 3: Cross multiply
    13,077.12x = 18,046.28 × 9,734.88
  4. Step 4: Simplify right side
    13,077.12x = 175,678,370.25
  5. Step 5: Solve for x
    x = 175,678,370.25/13,077.12
  6. Step 6: Final answer
    x = 13,434.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.