Home / 10,246.18-15,369.18-3,320.68

Finding the Fourth Proportional to 10,246.18, 15,369.18 and 3,320.68

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Solution

The fourth proportional to 10,246.18, 15,369.18 and 3,320.68 is: 4,980.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,246.18 : 15,369.18 = 3,320.68 : x
  2. Step 2: Convert to fraction form
    10,246.18/15,369.18 = 3,320.68/x
  3. Step 3: Cross multiply
    10,246.18x = 15,369.18 × 3,320.68
  4. Step 4: Simplify right side
    10,246.18x = 51,036,128.64
  5. Step 5: Solve for x
    x = 51,036,128.64/10,246.18
  6. Step 6: Final answer
    x = 4,980.99

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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.