Home / 18,680.50-25,779.09-10,297.18

Finding the Fourth Proportional to 18,680.50, 25,779.09 and 10,297.18

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Solution

The fourth proportional to 18,680.50, 25,779.09 and 10,297.18 is: 14,210.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,680.50 : 25,779.09 = 10,297.18 : x
  2. Step 2: Convert to fraction form
    18,680.50/25,779.09 = 10,297.18/x
  3. Step 3: Cross multiply
    18,680.50x = 25,779.09 × 10,297.18
  4. Step 4: Simplify right side
    18,680.50x = 265,451,929.97
  5. Step 5: Solve for x
    x = 265,451,929.97/18,680.50
  6. Step 6: Final answer
    x = 14,210.11

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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.