Home / 12,292.28-18,521.35-10,149.02

Finding the Fourth Proportional to 12,292.28, 18,521.35 and 10,149.02

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Solution

The fourth proportional to 12,292.28, 18,521.35 and 10,149.02 is: 15,292.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,292.28 : 18,521.35 = 10,149.02 : x
  2. Step 2: Convert to fraction form
    12,292.28/18,521.35 = 10,149.02/x
  3. Step 3: Cross multiply
    12,292.28x = 18,521.35 × 10,149.02
  4. Step 4: Simplify right side
    12,292.28x = 187,973,500.83
  5. Step 5: Solve for x
    x = 187,973,500.83/12,292.28
  6. Step 6: Final answer
    x = 15,292.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.