Home / 10,505.29-15,757.93-2,714.10

Finding the Fourth Proportional to 10,505.29, 15,757.93 and 2,714.10

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Solution

The fourth proportional to 10,505.29, 15,757.93 and 2,714.10 is: 4,071.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,505.29 : 15,757.93 = 2,714.10 : x
  2. Step 2: Convert to fraction form
    10,505.29/15,757.93 = 2,714.10/x
  3. Step 3: Cross multiply
    10,505.29x = 15,757.93 × 2,714.10
  4. Step 4: Simplify right side
    10,505.29x = 42,768,597.81
  5. Step 5: Solve for x
    x = 42,768,597.81/10,505.29
  6. Step 6: Final answer
    x = 4,071.15

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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.