Home / 21,252.76-29,327-12,300.82

Finding the Fourth Proportional to 21,252.76, 29,327 and 12,300.82

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Solution

The fourth proportional to 21,252.76, 29,327 and 12,300.82 is: 16,974.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,252.76 : 29,327 = 12,300.82 : x
  2. Step 2: Convert to fraction form
    21,252.76/29,327 = 12,300.82/x
  3. Step 3: Cross multiply
    21,252.76x = 29,327 × 12,300.82
  4. Step 4: Simplify right side
    21,252.76x = 360,746,148.14
  5. Step 5: Solve for x
    x = 360,746,148.14/21,252.76
  6. Step 6: Final answer
    x = 16,974.08

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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.