Home / 15,719.40-23,578.30-5,331.24

Finding the Fourth Proportional to 15,719.40, 23,578.30 and 5,331.24

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Solution

The fourth proportional to 15,719.40, 23,578.30 and 5,331.24 is: 7,996.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,719.40 : 23,578.30 = 5,331.24 : x
  2. Step 2: Convert to fraction form
    15,719.40/23,578.30 = 5,331.24/x
  3. Step 3: Cross multiply
    15,719.40x = 23,578.30 × 5,331.24
  4. Step 4: Simplify right side
    15,719.40x = 125,701,576.09
  5. Step 5: Solve for x
    x = 125,701,576.09/15,719.40
  6. Step 6: Final answer
    x = 7,996.59

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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.