Home / 9,132.40-13,698.60-8,038.90

Finding the Fourth Proportional to 9,132.40, 13,698.60 and 8,038.90

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Solution

The fourth proportional to 9,132.40, 13,698.60 and 8,038.90 is: 12,058.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,132.40 : 13,698.60 = 8,038.90 : x
  2. Step 2: Convert to fraction form
    9,132.40/13,698.60 = 8,038.90/x
  3. Step 3: Cross multiply
    9,132.40x = 13,698.60 × 8,038.90
  4. Step 4: Simplify right side
    9,132.40x = 110,121,675.54
  5. Step 5: Solve for x
    x = 110,121,675.54/9,132.40
  6. Step 6: Final answer
    x = 12,058.35

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Similar ratio
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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.