Home / 18,975.60-26,182.98-11,014.92

Finding the Fourth Proportional to 18,975.60, 26,182.98 and 11,014.92

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Solution

The fourth proportional to 18,975.60, 26,182.98 and 11,014.92 is: 15,198.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,975.60 : 26,182.98 = 11,014.92 : x
  2. Step 2: Convert to fraction form
    18,975.60/26,182.98 = 11,014.92/x
  3. Step 3: Cross multiply
    18,975.60x = 26,182.98 × 11,014.92
  4. Step 4: Simplify right side
    18,975.60x = 288,403,430.06
  5. Step 5: Solve for x
    x = 288,403,430.06/18,975.60
  6. Step 6: Final answer
    x = 15,198.65

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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.