Home / 22,298.52-30,771.68-12,866.88

Finding the Fourth Proportional to 22,298.52, 30,771.68 and 12,866.88

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Solution

The fourth proportional to 22,298.52, 30,771.68 and 12,866.88 is: 17,756.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,298.52 : 30,771.68 = 12,866.88 : x
  2. Step 2: Convert to fraction form
    22,298.52/30,771.68 = 12,866.88/x
  3. Step 3: Cross multiply
    22,298.52x = 30,771.68 × 12,866.88
  4. Step 4: Simplify right side
    22,298.52x = 395,935,513.96
  5. Step 5: Solve for x
    x = 395,935,513.96/22,298.52
  6. Step 6: Final answer
    x = 17,756.13

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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.