Home / 10,160.64-15,179.40-6,433.02

Finding the Fourth Proportional to 10,160.64, 15,179.40 and 6,433.02

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Solution

The fourth proportional to 10,160.64, 15,179.40 and 6,433.02 is: 9,610.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,160.64 : 15,179.40 = 6,433.02 : x
  2. Step 2: Convert to fraction form
    10,160.64/15,179.40 = 6,433.02/x
  3. Step 3: Cross multiply
    10,160.64x = 15,179.40 × 6,433.02
  4. Step 4: Simplify right side
    10,160.64x = 97,649,383.79
  5. Step 5: Solve for x
    x = 97,649,383.79/10,160.64
  6. Step 6: Final answer
    x = 9,610.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.