Home / 10,240.38-15,362.73-3,319.74

Finding the Fourth Proportional to 10,240.38, 15,362.73 and 3,319.74

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Solution

The fourth proportional to 10,240.38, 15,362.73 and 3,319.74 is: 4,980.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,240.38 : 15,362.73 = 3,319.74 : x
  2. Step 2: Convert to fraction form
    10,240.38/15,362.73 = 3,319.74/x
  3. Step 3: Cross multiply
    10,240.38x = 15,362.73 × 3,319.74
  4. Step 4: Simplify right side
    10,240.38x = 51,000,269.29
  5. Step 5: Solve for x
    x = 51,000,269.29/10,240.38
  6. Step 6: Final answer
    x = 4,980.31

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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.