Home / 9,612.20-14,418.30-9,077.60

Finding the Fourth Proportional to 9,612.20, 14,418.30 and 9,077.60

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Solution

The fourth proportional to 9,612.20, 14,418.30 and 9,077.60 is: 13,616.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,612.20 : 14,418.30 = 9,077.60 : x
  2. Step 2: Convert to fraction form
    9,612.20/14,418.30 = 9,077.60/x
  3. Step 3: Cross multiply
    9,612.20x = 14,418.30 × 9,077.60
  4. Step 4: Simplify right side
    9,612.20x = 130,883,560.08
  5. Step 5: Solve for x
    x = 130,883,560.08/9,612.20
  6. Step 6: Final answer
    x = 13,616.40

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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.