Home / 18,146.67-25,041.75-10,189.23

Finding the Fourth Proportional to 18,146.67, 25,041.75 and 10,189.23

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Solution

The fourth proportional to 18,146.67, 25,041.75 and 10,189.23 is: 14,060.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146.67 : 25,041.75 = 10,189.23 : x
  2. Step 2: Convert to fraction form
    18,146.67/25,041.75 = 10,189.23/x
  3. Step 3: Cross multiply
    18,146.67x = 25,041.75 × 10,189.23
  4. Step 4: Simplify right side
    18,146.67x = 255,155,974.20
  5. Step 5: Solve for x
    x = 255,155,974.20/18,146.67
  6. Step 6: Final answer
    x = 14,060.76

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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.