Home / 19,659.16-29,419.49-12,267.10

Finding the Fourth Proportional to 19,659.16, 29,419.49 and 12,267.10

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Solution

The fourth proportional to 19,659.16, 29,419.49 and 12,267.10 is: 18,357.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,659.16 : 29,419.49 = 12,267.10 : x
  2. Step 2: Convert to fraction form
    19,659.16/29,419.49 = 12,267.10/x
  3. Step 3: Cross multiply
    19,659.16x = 29,419.49 × 12,267.10
  4. Step 4: Simplify right side
    19,659.16x = 360,891,825.78
  5. Step 5: Solve for x
    x = 360,891,825.78/19,659.16
  6. Step 6: Final answer
    x = 18,357.44

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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.