Home / 14,292.80-21,439.36-5,974.08

Finding the Fourth Proportional to 14,292.80, 21,439.36 and 5,974.08

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Solution

The fourth proportional to 14,292.80, 21,439.36 and 5,974.08 is: 8,961.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,292.80 : 21,439.36 = 5,974.08 : x
  2. Step 2: Convert to fraction form
    14,292.80/21,439.36 = 5,974.08/x
  3. Step 3: Cross multiply
    14,292.80x = 21,439.36 × 5,974.08
  4. Step 4: Simplify right side
    14,292.80x = 128,080,451.79
  5. Step 5: Solve for x
    x = 128,080,451.79/14,292.80
  6. Step 6: Final answer
    x = 8,961.19

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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.