Home / 10,359.36-15,535.68-3,432

Finding the Fourth Proportional to 10,359.36, 15,535.68 and 3,432

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Solution

The fourth proportional to 10,359.36, 15,535.68 and 3,432 is: 5,146.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,359.36 : 15,535.68 = 3,432 : x
  2. Step 2: Convert to fraction form
    10,359.36/15,535.68 = 3,432/x
  3. Step 3: Cross multiply
    10,359.36x = 15,535.68 × 3,432
  4. Step 4: Simplify right side
    10,359.36x = 53,318,453.76
  5. Step 5: Solve for x
    x = 53,318,453.76/10,359.36
  6. Step 6: Final answer
    x = 5,146.89

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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.