Home / 10,338.48-15,508.76-3,316.72

Finding the Fourth Proportional to 10,338.48, 15,508.76 and 3,316.72

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Solution

The fourth proportional to 10,338.48, 15,508.76 and 3,316.72 is: 4,975.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,338.48 : 15,508.76 = 3,316.72 : x
  2. Step 2: Convert to fraction form
    10,338.48/15,508.76 = 3,316.72/x
  3. Step 3: Cross multiply
    10,338.48x = 15,508.76 × 3,316.72
  4. Step 4: Simplify right side
    10,338.48x = 51,438,214.47
  5. Step 5: Solve for x
    x = 51,438,214.47/10,338.48
  6. Step 6: Final answer
    x = 4,975.41

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1.5x scale

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.