Home / 13,117.31-18,101.94-7,452.36

Finding the Fourth Proportional to 13,117.31, 18,101.94 and 7,452.36

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Solution

The fourth proportional to 13,117.31, 18,101.94 and 7,452.36 is: 10,284.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,117.31 : 18,101.94 = 7,452.36 : x
  2. Step 2: Convert to fraction form
    13,117.31/18,101.94 = 7,452.36/x
  3. Step 3: Cross multiply
    13,117.31x = 18,101.94 × 7,452.36
  4. Step 4: Simplify right side
    13,117.31x = 134,902,238.46
  5. Step 5: Solve for x
    x = 134,902,238.46/13,117.31
  6. Step 6: Final answer
    x = 10,284.29

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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.