Home / 22,610.90-31,203.82-12,538.76

Finding the Fourth Proportional to 22,610.90, 31,203.82 and 12,538.76

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Solution

The fourth proportional to 22,610.90, 31,203.82 and 12,538.76 is: 17,303.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,610.90 : 31,203.82 = 12,538.76 : x
  2. Step 2: Convert to fraction form
    22,610.90/31,203.82 = 12,538.76/x
  3. Step 3: Cross multiply
    22,610.90x = 31,203.82 × 12,538.76
  4. Step 4: Simplify right side
    22,610.90x = 391,257,210.06
  5. Step 5: Solve for x
    x = 391,257,210.06/22,610.90
  6. Step 6: Final answer
    x = 17,303.92

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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.