Home / 10,502.08-15,751.28-3,926.90

Finding the Fourth Proportional to 10,502.08, 15,751.28 and 3,926.90

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Solution

The fourth proportional to 10,502.08, 15,751.28 and 3,926.90 is: 5,889.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,502.08 : 15,751.28 = 3,926.90 : x
  2. Step 2: Convert to fraction form
    10,502.08/15,751.28 = 3,926.90/x
  3. Step 3: Cross multiply
    10,502.08x = 15,751.28 × 3,926.90
  4. Step 4: Simplify right side
    10,502.08x = 61,853,750.63
  5. Step 5: Solve for x
    x = 61,853,750.63/10,502.08
  6. Step 6: Final answer
    x = 5,889.67

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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.