Home / 10,177.37-15,335.39-8,369.00

Finding the Fourth Proportional to 10,177.37, 15,335.39 and 8,369.00

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Solution

The fourth proportional to 10,177.37, 15,335.39 and 8,369.00 is: 12,610.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,177.37 : 15,335.39 = 8,369.00 : x
  2. Step 2: Convert to fraction form
    10,177.37/15,335.39 = 8,369.00/x
  3. Step 3: Cross multiply
    10,177.37x = 15,335.39 × 8,369.00
  4. Step 4: Simplify right side
    10,177.37x = 128,341,817.90
  5. Step 5: Solve for x
    x = 128,341,817.90/10,177.37
  6. Step 6: Final answer
    x = 12,610.51

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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.