Home / 10,306.38-15,466.48-4,065.68

Finding the Fourth Proportional to 10,306.38, 15,466.48 and 4,065.68

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Solution

The fourth proportional to 10,306.38, 15,466.48 and 4,065.68 is: 6,101.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,306.38 : 15,466.48 = 4,065.68 : x
  2. Step 2: Convert to fraction form
    10,306.38/15,466.48 = 4,065.68/x
  3. Step 3: Cross multiply
    10,306.38x = 15,466.48 × 4,065.68
  4. Step 4: Simplify right side
    10,306.38x = 62,881,758.41
  5. Step 5: Solve for x
    x = 62,881,758.41/10,306.38
  6. Step 6: Final answer
    x = 6,101.25

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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.