Home / 9,184.20-13,739.85-7,965.15

Finding the Fourth Proportional to 9,184.20, 13,739.85 and 7,965.15

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Solution

The fourth proportional to 9,184.20, 13,739.85 and 7,965.15 is: 11,916.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,184.20 : 13,739.85 = 7,965.15 : x
  2. Step 2: Convert to fraction form
    9,184.20/13,739.85 = 7,965.15/x
  3. Step 3: Cross multiply
    9,184.20x = 13,739.85 × 7,965.15
  4. Step 4: Simplify right side
    9,184.20x = 109,439,966.23
  5. Step 5: Solve for x
    x = 109,439,966.23/9,184.20
  6. Step 6: Final answer
    x = 11,916.11

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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.