Home / 21,037.64-29,031.96-12,084.53

Finding the Fourth Proportional to 21,037.64, 29,031.96 and 12,084.53

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Solution

The fourth proportional to 21,037.64, 29,031.96 and 12,084.53 is: 16,676.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,037.64 : 29,031.96 = 12,084.53 : x
  2. Step 2: Convert to fraction form
    21,037.64/29,031.96 = 12,084.53/x
  3. Step 3: Cross multiply
    21,037.64x = 29,031.96 × 12,084.53
  4. Step 4: Simplify right side
    21,037.64x = 350,837,446.42
  5. Step 5: Solve for x
    x = 350,837,446.42/21,037.64
  6. Step 6: Final answer
    x = 16,676.66

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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.