Home / 15,147.55-22,720.24-4,762.27

Finding the Fourth Proportional to 15,147.55, 22,720.24 and 4,762.27

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Solution

The fourth proportional to 15,147.55, 22,720.24 and 4,762.27 is: 7,143.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,147.55 : 22,720.24 = 4,762.27 : x
  2. Step 2: Convert to fraction form
    15,147.55/22,720.24 = 4,762.27/x
  3. Step 3: Cross multiply
    15,147.55x = 22,720.24 × 4,762.27
  4. Step 4: Simplify right side
    15,147.55x = 108,199,917.34
  5. Step 5: Solve for x
    x = 108,199,917.34/15,147.55
  6. Step 6: Final answer
    x = 7,143.06

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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.