Home / 18,618.96-25,693.98-10,121.04

Finding the Fourth Proportional to 18,618.96, 25,693.98 and 10,121.04

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Solution

The fourth proportional to 18,618.96, 25,693.98 and 10,121.04 is: 13,966.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,618.96 : 25,693.98 = 10,121.04 : x
  2. Step 2: Convert to fraction form
    18,618.96/25,693.98 = 10,121.04/x
  3. Step 3: Cross multiply
    18,618.96x = 25,693.98 × 10,121.04
  4. Step 4: Simplify right side
    18,618.96x = 260,049,799.34
  5. Step 5: Solve for x
    x = 260,049,799.34/18,618.96
  6. Step 6: Final answer
    x = 13,966.93

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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.