Home / 12,565.51-18,842.46-11,580.55

Finding the Fourth Proportional to 12,565.51, 18,842.46 and 11,580.55

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Solution

The fourth proportional to 12,565.51, 18,842.46 and 11,580.55 is: 17,365.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,565.51 : 18,842.46 = 11,580.55 : x
  2. Step 2: Convert to fraction form
    12,565.51/18,842.46 = 11,580.55/x
  3. Step 3: Cross multiply
    12,565.51x = 18,842.46 × 11,580.55
  4. Step 4: Simplify right side
    12,565.51x = 218,206,050.15
  5. Step 5: Solve for x
    x = 218,206,050.15/12,565.51
  6. Step 6: Final answer
    x = 17,365.48

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1.5x scale

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.