Home / 15,970.11-23,958.50-5,439.30

Finding the Fourth Proportional to 15,970.11, 23,958.50 and 5,439.30

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Solution

The fourth proportional to 15,970.11, 23,958.50 and 5,439.30 is: 8,160.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,970.11 : 23,958.50 = 5,439.30 : x
  2. Step 2: Convert to fraction form
    15,970.11/23,958.50 = 5,439.30/x
  3. Step 3: Cross multiply
    15,970.11x = 23,958.50 × 5,439.30
  4. Step 4: Simplify right side
    15,970.11x = 130,317,382.61
  5. Step 5: Solve for x
    x = 130,317,382.61/15,970.11
  6. Step 6: Final answer
    x = 8,160.08

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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.