Home / 15,815.31-23,715.63-10,887.27

Finding the Fourth Proportional to 15,815.31, 23,715.63 and 10,887.27

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Solution

The fourth proportional to 15,815.31, 23,715.63 and 10,887.27 is: 16,325.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,815.31 : 23,715.63 = 10,887.27 : x
  2. Step 2: Convert to fraction form
    15,815.31/23,715.63 = 10,887.27/x
  3. Step 3: Cross multiply
    15,815.31x = 23,715.63 × 10,887.27
  4. Step 4: Simplify right side
    15,815.31x = 258,198,467.03
  5. Step 5: Solve for x
    x = 258,198,467.03/15,815.31
  6. Step 6: Final answer
    x = 16,325.86

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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.