Home / 15,399.68-23,107.20-5,541.16

Finding the Fourth Proportional to 15,399.68, 23,107.20 and 5,541.16

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Solution

The fourth proportional to 15,399.68, 23,107.20 and 5,541.16 is: 8,314.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,399.68 : 23,107.20 = 5,541.16 : x
  2. Step 2: Convert to fraction form
    15,399.68/23,107.20 = 5,541.16/x
  3. Step 3: Cross multiply
    15,399.68x = 23,107.20 × 5,541.16
  4. Step 4: Simplify right side
    15,399.68x = 128,040,692.35
  5. Step 5: Solve for x
    x = 128,040,692.35/15,399.68
  6. Step 6: Final answer
    x = 8,314.50

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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.