Home / 10,284.03-15,382.10-8,585.10

Finding the Fourth Proportional to 10,284.03, 15,382.10 and 8,585.10

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Solution

The fourth proportional to 10,284.03, 15,382.10 and 8,585.10 is: 12,840.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,284.03 : 15,382.10 = 8,585.10 : x
  2. Step 2: Convert to fraction form
    10,284.03/15,382.10 = 8,585.10/x
  3. Step 3: Cross multiply
    10,284.03x = 15,382.10 × 8,585.10
  4. Step 4: Simplify right side
    10,284.03x = 132,056,888.17
  5. Step 5: Solve for x
    x = 132,056,888.17/10,284.03
  6. Step 6: Final answer
    x = 12,840.97

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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.