Home / 13,888.78-20,833.56-6,095.80

Finding the Fourth Proportional to 13,888.78, 20,833.56 and 6,095.80

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Solution

The fourth proportional to 13,888.78, 20,833.56 and 6,095.80 is: 9,143.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,888.78 : 20,833.56 = 6,095.80 : x
  2. Step 2: Convert to fraction form
    13,888.78/20,833.56 = 6,095.80/x
  3. Step 3: Cross multiply
    13,888.78x = 20,833.56 × 6,095.80
  4. Step 4: Simplify right side
    13,888.78x = 126,997,215.05
  5. Step 5: Solve for x
    x = 126,997,215.05/13,888.78
  6. Step 6: Final answer
    x = 9,143.87

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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.