Home / 10,930.42-15,084.66-6,216.22

Finding the Fourth Proportional to 10,930.42, 15,084.66 and 6,216.22

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Solution

The fourth proportional to 10,930.42, 15,084.66 and 6,216.22 is: 8,578.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,930.42 : 15,084.66 = 6,216.22 : x
  2. Step 2: Convert to fraction form
    10,930.42/15,084.66 = 6,216.22/x
  3. Step 3: Cross multiply
    10,930.42x = 15,084.66 × 6,216.22
  4. Step 4: Simplify right side
    10,930.42x = 93,769,565.19
  5. Step 5: Solve for x
    x = 93,769,565.19/10,930.42
  6. Step 6: Final answer
    x = 8,578.77

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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.