Home / 15,679.31-23,521.39-5,288.63

Finding the Fourth Proportional to 15,679.31, 23,521.39 and 5,288.63

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Solution

The fourth proportional to 15,679.31, 23,521.39 and 5,288.63 is: 7,933.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,679.31 : 23,521.39 = 5,288.63 : x
  2. Step 2: Convert to fraction form
    15,679.31/23,521.39 = 5,288.63/x
  3. Step 3: Cross multiply
    15,679.31x = 23,521.39 × 5,288.63
  4. Step 4: Simplify right side
    15,679.31x = 124,395,797.97
  5. Step 5: Solve for x
    x = 124,395,797.97/15,679.31
  6. Step 6: Final answer
    x = 7,933.76

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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.