Home / 10,131.36-15,201.58-6,432.60

Finding the Fourth Proportional to 10,131.36, 15,201.58 and 6,432.60

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Solution

The fourth proportional to 10,131.36, 15,201.58 and 6,432.60 is: 9,651.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,131.36 : 15,201.58 = 6,432.60 : x
  2. Step 2: Convert to fraction form
    10,131.36/15,201.58 = 6,432.60/x
  3. Step 3: Cross multiply
    10,131.36x = 15,201.58 × 6,432.60
  4. Step 4: Simplify right side
    10,131.36x = 97,785,683.51
  5. Step 5: Solve for x
    x = 97,785,683.51/10,131.36
  6. Step 6: Final answer
    x = 9,651.78

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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.