Home / 13,487.22-20,232.72-4,720.14

Finding the Fourth Proportional to 13,487.22, 20,232.72 and 4,720.14

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Solution

The fourth proportional to 13,487.22, 20,232.72 and 4,720.14 is: 7,080.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,487.22 : 20,232.72 = 4,720.14 : x
  2. Step 2: Convert to fraction form
    13,487.22/20,232.72 = 4,720.14/x
  3. Step 3: Cross multiply
    13,487.22x = 20,232.72 × 4,720.14
  4. Step 4: Simplify right side
    13,487.22x = 95,501,270.98
  5. Step 5: Solve for x
    x = 95,501,270.98/13,487.22
  6. Step 6: Final answer
    x = 7,080.87

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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.