Home / 18,145.82-25,041.33-10,187.90

Finding the Fourth Proportional to 18,145.82, 25,041.33 and 10,187.90

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Solution

The fourth proportional to 18,145.82, 25,041.33 and 10,187.90 is: 14,059.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145.82 : 25,041.33 = 10,187.90 : x
  2. Step 2: Convert to fraction form
    18,145.82/25,041.33 = 10,187.90/x
  3. Step 3: Cross multiply
    18,145.82x = 25,041.33 × 10,187.90
  4. Step 4: Simplify right side
    18,145.82x = 255,118,565.91
  5. Step 5: Solve for x
    x = 255,118,565.91/18,145.82
  6. Step 6: Final answer
    x = 14,059.36

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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.