Home / 18,713.38-28,055.35-9,348.57

Finding the Fourth Proportional to 18,713.38, 28,055.35 and 9,348.57

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Solution

The fourth proportional to 18,713.38, 28,055.35 and 9,348.57 is: 14,015.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,713.38 : 28,055.35 = 9,348.57 : x
  2. Step 2: Convert to fraction form
    18,713.38/28,055.35 = 9,348.57/x
  3. Step 3: Cross multiply
    18,713.38x = 28,055.35 × 9,348.57
  4. Step 4: Simplify right side
    18,713.38x = 262,277,403.35
  5. Step 5: Solve for x
    x = 262,277,403.35/18,713.38
  6. Step 6: Final answer
    x = 14,015.50

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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.