Home / 12,252.87-16,908.96-6,947.69

Finding the Fourth Proportional to 12,252.87, 16,908.96 and 6,947.69

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Solution

The fourth proportional to 12,252.87, 16,908.96 and 6,947.69 is: 9,587.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252.87 : 16,908.96 = 6,947.69 : x
  2. Step 2: Convert to fraction form
    12,252.87/16,908.96 = 6,947.69/x
  3. Step 3: Cross multiply
    12,252.87x = 16,908.96 × 6,947.69
  4. Step 4: Simplify right side
    12,252.87x = 117,478,127.76
  5. Step 5: Solve for x
    x = 117,478,127.76/12,252.87
  6. Step 6: Final answer
    x = 9,587.80

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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.