Home / 14,310.09-19,755.09-10,340.55

Finding the Fourth Proportional to 14,310.09, 19,755.09 and 10,340.55

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Solution

The fourth proportional to 14,310.09, 19,755.09 and 10,340.55 is: 14,275.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,310.09 : 19,755.09 = 10,340.55 : x
  2. Step 2: Convert to fraction form
    14,310.09/19,755.09 = 10,340.55/x
  3. Step 3: Cross multiply
    14,310.09x = 19,755.09 × 10,340.55
  4. Step 4: Simplify right side
    14,310.09x = 204,278,495.90
  5. Step 5: Solve for x
    x = 204,278,495.90/14,310.09
  6. Step 6: Final answer
    x = 14,275.14

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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.