Home / 22,695.38-33,970.28-12,139.01

Finding the Fourth Proportional to 22,695.38, 33,970.28 and 12,139.01

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Solution

The fourth proportional to 22,695.38, 33,970.28 and 12,139.01 is: 18,169.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,695.38 : 33,970.28 = 12,139.01 : x
  2. Step 2: Convert to fraction form
    22,695.38/33,970.28 = 12,139.01/x
  3. Step 3: Cross multiply
    22,695.38x = 33,970.28 × 12,139.01
  4. Step 4: Simplify right side
    22,695.38x = 412,365,338.08
  5. Step 5: Solve for x
    x = 412,365,338.08/22,695.38
  6. Step 6: Final answer
    x = 18,169.58

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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.