Home / 10,445.09-14,414.31-5,729.40

Finding the Fourth Proportional to 10,445.09, 14,414.31 and 5,729.40

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Solution

The fourth proportional to 10,445.09, 14,414.31 and 5,729.40 is: 7,906.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,445.09 : 14,414.31 = 5,729.40 : x
  2. Step 2: Convert to fraction form
    10,445.09/14,414.31 = 5,729.40/x
  3. Step 3: Cross multiply
    10,445.09x = 14,414.31 × 5,729.40
  4. Step 4: Simplify right side
    10,445.09x = 82,585,347.71
  5. Step 5: Solve for x
    x = 82,585,347.71/10,445.09
  6. Step 6: Final answer
    x = 7,906.62

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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.