Home / 12,431.02-17,154.56-6,765.68

Finding the Fourth Proportional to 12,431.02, 17,154.56 and 6,765.68

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Solution

The fourth proportional to 12,431.02, 17,154.56 and 6,765.68 is: 9,336.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,431.02 : 17,154.56 = 6,765.68 : x
  2. Step 2: Convert to fraction form
    12,431.02/17,154.56 = 6,765.68/x
  3. Step 3: Cross multiply
    12,431.02x = 17,154.56 × 6,765.68
  4. Step 4: Simplify right side
    12,431.02x = 116,062,263.50
  5. Step 5: Solve for x
    x = 116,062,263.50/12,431.02
  6. Step 6: Final answer
    x = 9,336.50

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.