Home / 15,933.61-23,903.43-5,260.57

Finding the Fourth Proportional to 15,933.61, 23,903.43 and 5,260.57

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Solution

The fourth proportional to 15,933.61, 23,903.43 and 5,260.57 is: 7,891.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,933.61 : 23,903.43 = 5,260.57 : x
  2. Step 2: Convert to fraction form
    15,933.61/23,903.43 = 5,260.57/x
  3. Step 3: Cross multiply
    15,933.61x = 23,903.43 × 5,260.57
  4. Step 4: Simplify right side
    15,933.61x = 125,745,666.76
  5. Step 5: Solve for x
    x = 125,745,666.76/15,933.61
  6. Step 6: Final answer
    x = 7,891.85

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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.