Home / 12,292.91-18,439.26-3,972.75

Finding the Fourth Proportional to 12,292.91, 18,439.26 and 3,972.75

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Solution

The fourth proportional to 12,292.91, 18,439.26 and 3,972.75 is: 5,959.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,292.91 : 18,439.26 = 3,972.75 : x
  2. Step 2: Convert to fraction form
    12,292.91/18,439.26 = 3,972.75/x
  3. Step 3: Cross multiply
    12,292.91x = 18,439.26 × 3,972.75
  4. Step 4: Simplify right side
    12,292.91x = 73,254,491.71
  5. Step 5: Solve for x
    x = 73,254,491.71/12,292.91
  6. Step 6: Final answer
    x = 5,959.08

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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.