Home / 15,442.44-21,286.98-9,463.02

Finding the Fourth Proportional to 15,442.44, 21,286.98 and 9,463.02

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Solution

The fourth proportional to 15,442.44, 21,286.98 and 9,463.02 is: 13,044.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,442.44 : 21,286.98 = 9,463.02 : x
  2. Step 2: Convert to fraction form
    15,442.44/21,286.98 = 9,463.02/x
  3. Step 3: Cross multiply
    15,442.44x = 21,286.98 × 9,463.02
  4. Step 4: Simplify right side
    15,442.44x = 201,439,117.48
  5. Step 5: Solve for x
    x = 201,439,117.48/15,442.44
  6. Step 6: Final answer
    x = 13,044.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.