Home / 9,142.04-13,762.87-6,238.60

Finding the Fourth Proportional to 9,142.04, 13,762.87 and 6,238.60

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Solution

The fourth proportional to 9,142.04, 13,762.87 and 6,238.60 is: 9,391.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,142.04 : 13,762.87 = 6,238.60 : x
  2. Step 2: Convert to fraction form
    9,142.04/13,762.87 = 6,238.60/x
  3. Step 3: Cross multiply
    9,142.04x = 13,762.87 × 6,238.60
  4. Step 4: Simplify right side
    9,142.04x = 85,861,040.78
  5. Step 5: Solve for x
    x = 85,861,040.78/9,142.04
  6. Step 6: Final answer
    x = 9,391.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.