Home / 10,928.50-15,083.71-6,948.83

Finding the Fourth Proportional to 10,928.50, 15,083.71 and 6,948.83

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Solution

The fourth proportional to 10,928.50, 15,083.71 and 6,948.83 is: 9,590.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,928.50 : 15,083.71 = 6,948.83 : x
  2. Step 2: Convert to fraction form
    10,928.50/15,083.71 = 6,948.83/x
  3. Step 3: Cross multiply
    10,928.50x = 15,083.71 × 6,948.83
  4. Step 4: Simplify right side
    10,928.50x = 104,814,119.19
  5. Step 5: Solve for x
    x = 104,814,119.19/10,928.50
  6. Step 6: Final answer
    x = 9,590.90

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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.