Home / 12,565.04-18,825.96-8,860.64

Finding the Fourth Proportional to 12,565.04, 18,825.96 and 8,860.64

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Solution

The fourth proportional to 12,565.04, 18,825.96 and 8,860.64 is: 13,275.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,565.04 : 18,825.96 = 8,860.64 : x
  2. Step 2: Convert to fraction form
    12,565.04/18,825.96 = 8,860.64/x
  3. Step 3: Cross multiply
    12,565.04x = 18,825.96 × 8,860.64
  4. Step 4: Simplify right side
    12,565.04x = 166,810,054.21
  5. Step 5: Solve for x
    x = 166,810,054.21/12,565.04
  6. Step 6: Final answer
    x = 13,275.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.