Home / 10,284.12-15,391.62-5,895

Finding the Fourth Proportional to 10,284.12, 15,391.62 and 5,895

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Solution

The fourth proportional to 10,284.12, 15,391.62 and 5,895 is: 8,822.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,284.12 : 15,391.62 = 5,895 : x
  2. Step 2: Convert to fraction form
    10,284.12/15,391.62 = 5,895/x
  3. Step 3: Cross multiply
    10,284.12x = 15,391.62 × 5,895
  4. Step 4: Simplify right side
    10,284.12x = 90,733,599.90
  5. Step 5: Solve for x
    x = 90,733,599.90/10,284.12
  6. Step 6: Final answer
    x = 8,822.69

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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.