Home / 15,639.44-23,442.75-11,473.20

Finding the Fourth Proportional to 15,639.44, 23,442.75 and 11,473.20

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Solution

The fourth proportional to 15,639.44, 23,442.75 and 11,473.20 is: 17,197.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,639.44 : 23,442.75 = 11,473.20 : x
  2. Step 2: Convert to fraction form
    15,639.44/23,442.75 = 11,473.20/x
  3. Step 3: Cross multiply
    15,639.44x = 23,442.75 × 11,473.20
  4. Step 4: Simplify right side
    15,639.44x = 268,963,359.30
  5. Step 5: Solve for x
    x = 268,963,359.30/15,639.44
  6. Step 6: Final answer
    x = 17,197.77

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1.5x scale

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.