Home / 15,438.20-23,157.10-3,751.39

Finding the Fourth Proportional to 15,438.20, 23,157.10 and 3,751.39

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Solution

The fourth proportional to 15,438.20, 23,157.10 and 3,751.39 is: 5,627.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,438.20 : 23,157.10 = 3,751.39 : x
  2. Step 2: Convert to fraction form
    15,438.20/23,157.10 = 3,751.39/x
  3. Step 3: Cross multiply
    15,438.20x = 23,157.10 × 3,751.39
  4. Step 4: Simplify right side
    15,438.20x = 86,871,188.21
  5. Step 5: Solve for x
    x = 86,871,188.21/15,438.20
  6. Step 6: Final answer
    x = 5,627.03

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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.