Home / 13,888.54-20,834.97-4,652.38

Finding the Fourth Proportional to 13,888.54, 20,834.97 and 4,652.38

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Solution

The fourth proportional to 13,888.54, 20,834.97 and 4,652.38 is: 6,979.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,888.54 : 20,834.97 = 4,652.38 : x
  2. Step 2: Convert to fraction form
    13,888.54/20,834.97 = 4,652.38/x
  3. Step 3: Cross multiply
    13,888.54x = 20,834.97 × 4,652.38
  4. Step 4: Simplify right side
    13,888.54x = 96,932,070.29
  5. Step 5: Solve for x
    x = 96,932,070.29/13,888.54
  6. Step 6: Final answer
    x = 6,979.29

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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.