Home / 16,431.30-22,675.20-8,877.63

Finding the Fourth Proportional to 16,431.30, 22,675.20 and 8,877.63

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Solution

The fourth proportional to 16,431.30, 22,675.20 and 8,877.63 is: 12,251.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,431.30 : 22,675.20 = 8,877.63 : x
  2. Step 2: Convert to fraction form
    16,431.30/22,675.20 = 8,877.63/x
  3. Step 3: Cross multiply
    16,431.30x = 22,675.20 × 8,877.63
  4. Step 4: Simplify right side
    16,431.30x = 201,301,950.74
  5. Step 5: Solve for x
    x = 201,301,950.74/16,431.30
  6. Step 6: Final answer
    x = 12,251.13

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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.