Home / 21,595.46-29,801.66-12,641.18

Finding the Fourth Proportional to 21,595.46, 29,801.66 and 12,641.18

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Solution

The fourth proportional to 21,595.46, 29,801.66 and 12,641.18 is: 17,444.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,595.46 : 29,801.66 = 12,641.18 : x
  2. Step 2: Convert to fraction form
    21,595.46/29,801.66 = 12,641.18/x
  3. Step 3: Cross multiply
    21,595.46x = 29,801.66 × 12,641.18
  4. Step 4: Simplify right side
    21,595.46x = 376,727,936.14
  5. Step 5: Solve for x
    x = 376,727,936.14/21,595.46
  6. Step 6: Final answer
    x = 17,444.78

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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.