Home / 14,851.30-20,487.36-8,881.38

Finding the Fourth Proportional to 14,851.30, 20,487.36 and 8,881.38

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Solution

The fourth proportional to 14,851.30, 20,487.36 and 8,881.38 is: 12,251.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,851.30 : 20,487.36 = 8,881.38 : x
  2. Step 2: Convert to fraction form
    14,851.30/20,487.36 = 8,881.38/x
  3. Step 3: Cross multiply
    14,851.30x = 20,487.36 × 8,881.38
  4. Step 4: Simplify right side
    14,851.30x = 181,956,029.36
  5. Step 5: Solve for x
    x = 181,956,029.36/14,851.30
  6. Step 6: Final answer
    x = 12,251.86

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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.