Home / 14,149.13-19,521.72-9,116.28

Finding the Fourth Proportional to 14,149.13, 19,521.72 and 9,116.28

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Solution

The fourth proportional to 14,149.13, 19,521.72 and 9,116.28 is: 12,577.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,149.13 : 19,521.72 = 9,116.28 : x
  2. Step 2: Convert to fraction form
    14,149.13/19,521.72 = 9,116.28/x
  3. Step 3: Cross multiply
    14,149.13x = 19,521.72 × 9,116.28
  4. Step 4: Simplify right side
    14,149.13x = 177,965,465.60
  5. Step 5: Solve for x
    x = 177,965,465.60/14,149.13
  6. Step 6: Final answer
    x = 12,577.84

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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.