Home / 12,184.24-18,276.32-9,969.90

Finding the Fourth Proportional to 12,184.24, 18,276.32 and 9,969.90

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Solution

The fourth proportional to 12,184.24, 18,276.32 and 9,969.90 is: 14,954.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,184.24 : 18,276.32 = 9,969.90 : x
  2. Step 2: Convert to fraction form
    12,184.24/18,276.32 = 9,969.90/x
  3. Step 3: Cross multiply
    12,184.24x = 18,276.32 × 9,969.90
  4. Step 4: Simplify right side
    12,184.24x = 182,213,082.77
  5. Step 5: Solve for x
    x = 182,213,082.77/12,184.24
  6. Step 6: Final answer
    x = 14,954.82

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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.