Home / 18,137.12-25,030.49-10,071.18

Finding the Fourth Proportional to 18,137.12, 25,030.49 and 10,071.18

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Solution

The fourth proportional to 18,137.12, 25,030.49 and 10,071.18 is: 13,898.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,137.12 : 25,030.49 = 10,071.18 : x
  2. Step 2: Convert to fraction form
    18,137.12/25,030.49 = 10,071.18/x
  3. Step 3: Cross multiply
    18,137.12x = 25,030.49 × 10,071.18
  4. Step 4: Simplify right side
    18,137.12x = 252,086,519.92
  5. Step 5: Solve for x
    x = 252,086,519.92/18,137.12
  6. Step 6: Final answer
    x = 13,898.93

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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.