Home / 22,860.76-31,551.96-13,429.84

Finding the Fourth Proportional to 22,860.76, 31,551.96 and 13,429.84

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Solution

The fourth proportional to 22,860.76, 31,551.96 and 13,429.84 is: 18,535.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,860.76 : 31,551.96 = 13,429.84 : x
  2. Step 2: Convert to fraction form
    22,860.76/31,551.96 = 13,429.84/x
  3. Step 3: Cross multiply
    22,860.76x = 31,551.96 × 13,429.84
  4. Step 4: Simplify right side
    22,860.76x = 423,737,774.49
  5. Step 5: Solve for x
    x = 423,737,774.49/22,860.76
  6. Step 6: Final answer
    x = 18,535.59

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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.