Home / 12,277.71-16,943.35-6,972.56

Finding the Fourth Proportional to 12,277.71, 16,943.35 and 6,972.56

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Solution

The fourth proportional to 12,277.71, 16,943.35 and 6,972.56 is: 9,622.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,277.71 : 16,943.35 = 6,972.56 : x
  2. Step 2: Convert to fraction form
    12,277.71/16,943.35 = 6,972.56/x
  3. Step 3: Cross multiply
    12,277.71x = 16,943.35 × 6,972.56
  4. Step 4: Simplify right side
    12,277.71x = 118,138,543.78
  5. Step 5: Solve for x
    x = 118,138,543.78/12,277.71
  6. Step 6: Final answer
    x = 9,622.20

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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.