Home / 15,516.48-23,235.84-12,247.32

Finding the Fourth Proportional to 15,516.48, 23,235.84 and 12,247.32

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Solution

The fourth proportional to 15,516.48, 23,235.84 and 12,247.32 is: 18,340.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,516.48 : 23,235.84 = 12,247.32 : x
  2. Step 2: Convert to fraction form
    15,516.48/23,235.84 = 12,247.32/x
  3. Step 3: Cross multiply
    15,516.48x = 23,235.84 × 12,247.32
  4. Step 4: Simplify right side
    15,516.48x = 284,576,767.95
  5. Step 5: Solve for x
    x = 284,576,767.95/15,516.48
  6. Step 6: Final answer
    x = 18,340.29

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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.