Home / 10,919.29-15,068.67-6,382.23

Finding the Fourth Proportional to 10,919.29, 15,068.67 and 6,382.23

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Solution

The fourth proportional to 10,919.29, 15,068.67 and 6,382.23 is: 8,807.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,919.29 : 15,068.67 = 6,382.23 : x
  2. Step 2: Convert to fraction form
    10,919.29/15,068.67 = 6,382.23/x
  3. Step 3: Cross multiply
    10,919.29x = 15,068.67 × 6,382.23
  4. Step 4: Simplify right side
    10,919.29x = 96,171,717.73
  5. Step 5: Solve for x
    x = 96,171,717.73/10,919.29
  6. Step 6: Final answer
    x = 8,807.51

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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.