Home / 15,478.62-23,215.64-4,949.82

Finding the Fourth Proportional to 15,478.62, 23,215.64 and 4,949.82

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Solution

The fourth proportional to 15,478.62, 23,215.64 and 4,949.82 is: 7,424.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,478.62 : 23,215.64 = 4,949.82 : x
  2. Step 2: Convert to fraction form
    15,478.62/23,215.64 = 4,949.82/x
  3. Step 3: Cross multiply
    15,478.62x = 23,215.64 × 4,949.82
  4. Step 4: Simplify right side
    15,478.62x = 114,913,239.18
  5. Step 5: Solve for x
    x = 114,913,239.18/15,478.62
  6. Step 6: Final answer
    x = 7,424.00

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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.