Home / 22,985.40-34,486.30-11,306.82

Finding the Fourth Proportional to 22,985.40, 34,486.30 and 11,306.82

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Solution

The fourth proportional to 22,985.40, 34,486.30 and 11,306.82 is: 16,964.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,985.40 : 34,486.30 = 11,306.82 : x
  2. Step 2: Convert to fraction form
    22,985.40/34,486.30 = 11,306.82/x
  3. Step 3: Cross multiply
    22,985.40x = 34,486.30 × 11,306.82
  4. Step 4: Simplify right side
    22,985.40x = 389,930,386.57
  5. Step 5: Solve for x
    x = 389,930,386.57/22,985.40
  6. Step 6: Final answer
    x = 16,964.26

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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.