Home / 8,142.16-12,197.48-5,360.48

Finding the Fourth Proportional to 8,142.16, 12,197.48 and 5,360.48

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Solution

The fourth proportional to 8,142.16, 12,197.48 and 5,360.48 is: 8,030.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,142.16 : 12,197.48 = 5,360.48 : x
  2. Step 2: Convert to fraction form
    8,142.16/12,197.48 = 5,360.48/x
  3. Step 3: Cross multiply
    8,142.16x = 12,197.48 × 5,360.48
  4. Step 4: Simplify right side
    8,142.16x = 65,384,347.59
  5. Step 5: Solve for x
    x = 65,384,347.59/8,142.16
  6. Step 6: Final answer
    x = 8,030.34

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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.