Home / 15,981.29-23,971.93-4,294.51

Finding the Fourth Proportional to 15,981.29, 23,971.93 and 4,294.51

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Solution

The fourth proportional to 15,981.29, 23,971.93 and 4,294.51 is: 6,441.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,981.29 : 23,971.93 = 4,294.51 : x
  2. Step 2: Convert to fraction form
    15,981.29/23,971.93 = 4,294.51/x
  3. Step 3: Cross multiply
    15,981.29x = 23,971.93 × 4,294.51
  4. Step 4: Simplify right side
    15,981.29x = 102,947,622.44
  5. Step 5: Solve for x
    x = 102,947,622.44/15,981.29
  6. Step 6: Final answer
    x = 6,441.76

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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.