Home / 15,382.05-23,074.37-4,288.74

Finding the Fourth Proportional to 15,382.05, 23,074.37 and 4,288.74

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Solution

The fourth proportional to 15,382.05, 23,074.37 and 4,288.74 is: 6,433.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,382.05 : 23,074.37 = 4,288.74 : x
  2. Step 2: Convert to fraction form
    15,382.05/23,074.37 = 4,288.74/x
  3. Step 3: Cross multiply
    15,382.05x = 23,074.37 × 4,288.74
  4. Step 4: Simplify right side
    15,382.05x = 98,960,062.80
  5. Step 5: Solve for x
    x = 98,960,062.80/15,382.05
  6. Step 6: Final answer
    x = 6,433.48

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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.