Home / 10,653.10-15,979.65-2,862.70

Finding the Fourth Proportional to 10,653.10, 15,979.65 and 2,862.70

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Solution

The fourth proportional to 10,653.10, 15,979.65 and 2,862.70 is: 4,294.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,653.10 : 15,979.65 = 2,862.70 : x
  2. Step 2: Convert to fraction form
    10,653.10/15,979.65 = 2,862.70/x
  3. Step 3: Cross multiply
    10,653.10x = 15,979.65 × 2,862.70
  4. Step 4: Simplify right side
    10,653.10x = 45,744,944.06
  5. Step 5: Solve for x
    x = 45,744,944.06/10,653.10
  6. Step 6: Final answer
    x = 4,294.05

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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.