Home / 10,284.66-15,427.89-2,889.18

Finding the Fourth Proportional to 10,284.66, 15,427.89 and 2,889.18

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Solution

The fourth proportional to 10,284.66, 15,427.89 and 2,889.18 is: 4,334.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,284.66 : 15,427.89 = 2,889.18 : x
  2. Step 2: Convert to fraction form
    10,284.66/15,427.89 = 2,889.18/x
  3. Step 3: Cross multiply
    10,284.66x = 15,427.89 × 2,889.18
  4. Step 4: Simplify right side
    10,284.66x = 44,573,951.23
  5. Step 5: Solve for x
    x = 44,573,951.23/10,284.66
  6. Step 6: Final answer
    x = 4,334.02

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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.