Home / 18,680.25-25,779.29-10,297.29

Finding the Fourth Proportional to 18,680.25, 25,779.29 and 10,297.29

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Solution

The fourth proportional to 18,680.25, 25,779.29 and 10,297.29 is: 14,210.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,680.25 : 25,779.29 = 10,297.29 : x
  2. Step 2: Convert to fraction form
    18,680.25/25,779.29 = 10,297.29/x
  3. Step 3: Cross multiply
    18,680.25x = 25,779.29 × 10,297.29
  4. Step 4: Simplify right side
    18,680.25x = 265,456,773.64
  5. Step 5: Solve for x
    x = 265,456,773.64/18,680.25
  6. Step 6: Final answer
    x = 14,210.56

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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.