Home / 22,001.63-30,358.06-13,045.86

Finding the Fourth Proportional to 22,001.63, 30,358.06 and 13,045.86

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Solution

The fourth proportional to 22,001.63, 30,358.06 and 13,045.86 is: 18,000.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,001.63 : 30,358.06 = 13,045.86 : x
  2. Step 2: Convert to fraction form
    22,001.63/30,358.06 = 13,045.86/x
  3. Step 3: Cross multiply
    22,001.63x = 30,358.06 × 13,045.86
  4. Step 4: Simplify right side
    22,001.63x = 396,046,968.02
  5. Step 5: Solve for x
    x = 396,046,968.02/22,001.63
  6. Step 6: Final answer
    x = 18,000.81

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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.