Home / 18,707.11-25,815.01-10,209.03

Finding the Fourth Proportional to 18,707.11, 25,815.01 and 10,209.03

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Solution

The fourth proportional to 18,707.11, 25,815.01 and 10,209.03 is: 14,088.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,707.11 : 25,815.01 = 10,209.03 : x
  2. Step 2: Convert to fraction form
    18,707.11/25,815.01 = 10,209.03/x
  3. Step 3: Cross multiply
    18,707.11x = 25,815.01 × 10,209.03
  4. Step 4: Simplify right side
    18,707.11x = 263,546,211.54
  5. Step 5: Solve for x
    x = 263,546,211.54/18,707.11
  6. Step 6: Final answer
    x = 14,088.02

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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.