Home / 10,339.67-15,510.94-3,318.03

Finding the Fourth Proportional to 10,339.67, 15,510.94 and 3,318.03

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Solution

The fourth proportional to 10,339.67, 15,510.94 and 3,318.03 is: 4,977.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,339.67 : 15,510.94 = 3,318.03 : x
  2. Step 2: Convert to fraction form
    10,339.67/15,510.94 = 3,318.03/x
  3. Step 3: Cross multiply
    10,339.67x = 15,510.94 × 3,318.03
  4. Step 4: Simplify right side
    10,339.67x = 51,465,747.66
  5. Step 5: Solve for x
    x = 51,465,747.66/10,339.67
  6. Step 6: Final answer
    x = 4,977.50

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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.