Home / 10,143.56-15,215.14-4,595.87

Finding the Fourth Proportional to 10,143.56, 15,215.14 and 4,595.87

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Solution

The fourth proportional to 10,143.56, 15,215.14 and 4,595.87 is: 6,893.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,143.56 : 15,215.14 = 4,595.87 : x
  2. Step 2: Convert to fraction form
    10,143.56/15,215.14 = 4,595.87/x
  3. Step 3: Cross multiply
    10,143.56x = 15,215.14 × 4,595.87
  4. Step 4: Simplify right side
    10,143.56x = 69,926,849.25
  5. Step 5: Solve for x
    x = 69,926,849.25/10,143.56
  6. Step 6: Final answer
    x = 6,893.72

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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.