Home / 22,412.48-30,928.97-12,340.71

Finding the Fourth Proportional to 22,412.48, 30,928.97 and 12,340.71

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Solution

The fourth proportional to 22,412.48, 30,928.97 and 12,340.71 is: 17,030.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,412.48 : 30,928.97 = 12,340.71 : x
  2. Step 2: Convert to fraction form
    22,412.48/30,928.97 = 12,340.71/x
  3. Step 3: Cross multiply
    22,412.48x = 30,928.97 × 12,340.71
  4. Step 4: Simplify right side
    22,412.48x = 381,685,387.67
  5. Step 5: Solve for x
    x = 381,685,387.67/22,412.48
  6. Step 6: Final answer
    x = 17,030.04

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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.