Home / 10,315.56-15,460.65-4,761.39

Finding the Fourth Proportional to 10,315.56, 15,460.65 and 4,761.39

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Solution

The fourth proportional to 10,315.56, 15,460.65 and 4,761.39 is: 7,136.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,315.56 : 15,460.65 = 4,761.39 : x
  2. Step 2: Convert to fraction form
    10,315.56/15,460.65 = 4,761.39/x
  3. Step 3: Cross multiply
    10,315.56x = 15,460.65 × 4,761.39
  4. Step 4: Simplify right side
    10,315.56x = 73,614,184.30
  5. Step 5: Solve for x
    x = 73,614,184.30/10,315.56
  6. Step 6: Final answer
    x = 7,136.23

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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.