Home / 16,742.31-23,104.56-9,189.14

Finding the Fourth Proportional to 16,742.31, 23,104.56 and 9,189.14

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Solution

The fourth proportional to 16,742.31, 23,104.56 and 9,189.14 is: 12,681.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,742.31 : 23,104.56 = 9,189.14 : x
  2. Step 2: Convert to fraction form
    16,742.31/23,104.56 = 9,189.14/x
  3. Step 3: Cross multiply
    16,742.31x = 23,104.56 × 9,189.14
  4. Step 4: Simplify right side
    16,742.31x = 212,310,920.96
  5. Step 5: Solve for x
    x = 212,310,920.96/16,742.31
  6. Step 6: Final answer
    x = 12,681.10

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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.