Home / 14,277.45-19,700.09-8,969.20

Finding the Fourth Proportional to 14,277.45, 19,700.09 and 8,969.20

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Solution

The fourth proportional to 14,277.45, 19,700.09 and 8,969.20 is: 12,375.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,277.45 : 19,700.09 = 8,969.20 : x
  2. Step 2: Convert to fraction form
    14,277.45/19,700.09 = 8,969.20/x
  3. Step 3: Cross multiply
    14,277.45x = 19,700.09 × 8,969.20
  4. Step 4: Simplify right side
    14,277.45x = 176,693,948.73
  5. Step 5: Solve for x
    x = 176,693,948.73/14,277.45
  6. Step 6: Final answer
    x = 12,375.74

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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.