Home / 18,680.76-25,779.42-10,297.32

Finding the Fourth Proportional to 18,680.76, 25,779.42 and 10,297.32

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Solution

The fourth proportional to 18,680.76, 25,779.42 and 10,297.32 is: 14,210.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,680.76 : 25,779.42 = 10,297.32 : x
  2. Step 2: Convert to fraction form
    18,680.76/25,779.42 = 10,297.32/x
  3. Step 3: Cross multiply
    18,680.76x = 25,779.42 × 10,297.32
  4. Step 4: Simplify right side
    18,680.76x = 265,458,937.15
  5. Step 5: Solve for x
    x = 265,458,937.15/18,680.76
  6. Step 6: Final answer
    x = 14,210.29

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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.