Home / 15,433.16-23,150.82-7,639.88

Finding the Fourth Proportional to 15,433.16, 23,150.82 and 7,639.88

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Solution

The fourth proportional to 15,433.16, 23,150.82 and 7,639.88 is: 11,460.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,433.16 : 23,150.82 = 7,639.88 : x
  2. Step 2: Convert to fraction form
    15,433.16/23,150.82 = 7,639.88/x
  3. Step 3: Cross multiply
    15,433.16x = 23,150.82 × 7,639.88
  4. Step 4: Simplify right side
    15,433.16x = 176,869,486.70
  5. Step 5: Solve for x
    x = 176,869,486.70/15,433.16
  6. Step 6: Final answer
    x = 11,460.35

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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.