Home / 13,069.29-18,035.79-7,101.09

Finding the Fourth Proportional to 13,069.29, 18,035.79 and 7,101.09

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Solution

The fourth proportional to 13,069.29, 18,035.79 and 7,101.09 is: 9,799.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,069.29 : 18,035.79 = 7,101.09 : x
  2. Step 2: Convert to fraction form
    13,069.29/18,035.79 = 7,101.09/x
  3. Step 3: Cross multiply
    13,069.29x = 18,035.79 × 7,101.09
  4. Step 4: Simplify right side
    13,069.29x = 128,073,768.01
  5. Step 5: Solve for x
    x = 128,073,768.01/13,069.29
  6. Step 6: Final answer
    x = 9,799.60

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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.