Home / 15,969.32-23,956.83-5,438.76

Finding the Fourth Proportional to 15,969.32, 23,956.83 and 5,438.76

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Solution

The fourth proportional to 15,969.32, 23,956.83 and 5,438.76 is: 8,159.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,969.32 : 23,956.83 = 5,438.76 : x
  2. Step 2: Convert to fraction form
    15,969.32/23,956.83 = 5,438.76/x
  3. Step 3: Cross multiply
    15,969.32x = 23,956.83 × 5,438.76
  4. Step 4: Simplify right side
    15,969.32x = 130,295,358.89
  5. Step 5: Solve for x
    x = 130,295,358.89/15,969.32
  6. Step 6: Final answer
    x = 8,159.11

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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.