Home / 12,218.54-16,818.98-10,545.26

Finding the Fourth Proportional to 12,218.54, 16,818.98 and 10,545.26

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Solution

The fourth proportional to 12,218.54, 16,818.98 and 10,545.26 is: 14,515.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,218.54 : 16,818.98 = 10,545.26 : x
  2. Step 2: Convert to fraction form
    12,218.54/16,818.98 = 10,545.26/x
  3. Step 3: Cross multiply
    12,218.54x = 16,818.98 × 10,545.26
  4. Step 4: Simplify right side
    12,218.54x = 177,360,517.03
  5. Step 5: Solve for x
    x = 177,360,517.03/12,218.54
  6. Step 6: Final answer
    x = 14,515.69

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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.