Home / 12,818.46-19,225.77-10,641.18

Finding the Fourth Proportional to 12,818.46, 19,225.77 and 10,641.18

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Solution

The fourth proportional to 12,818.46, 19,225.77 and 10,641.18 is: 15,960.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,818.46 : 19,225.77 = 10,641.18 : x
  2. Step 2: Convert to fraction form
    12,818.46/19,225.77 = 10,641.18/x
  3. Step 3: Cross multiply
    12,818.46x = 19,225.77 × 10,641.18
  4. Step 4: Simplify right side
    12,818.46x = 204,584,879.21
  5. Step 5: Solve for x
    x = 204,584,879.21/12,818.46
  6. Step 6: Final answer
    x = 15,960.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.