Home / 18,422.96-25,421.82-10,465.52

Finding the Fourth Proportional to 18,422.96, 25,421.82 and 10,465.52

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Solution

The fourth proportional to 18,422.96, 25,421.82 and 10,465.52 is: 14,441.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,422.96 : 25,421.82 = 10,465.52 : x
  2. Step 2: Convert to fraction form
    18,422.96/25,421.82 = 10,465.52/x
  3. Step 3: Cross multiply
    18,422.96x = 25,421.82 × 10,465.52
  4. Step 4: Simplify right side
    18,422.96x = 266,052,565.65
  5. Step 5: Solve for x
    x = 266,052,565.65/18,422.96
  6. Step 6: Final answer
    x = 14,441.36

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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.