Home / 13,069.43-18,035.90-7,101.09

Finding the Fourth Proportional to 13,069.43, 18,035.90 and 7,101.09

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Solution

The fourth proportional to 13,069.43, 18,035.90 and 7,101.09 is: 9,799.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,069.43 : 18,035.90 = 7,101.09 : x
  2. Step 2: Convert to fraction form
    13,069.43/18,035.90 = 7,101.09/x
  3. Step 3: Cross multiply
    13,069.43x = 18,035.90 × 7,101.09
  4. Step 4: Simplify right side
    13,069.43x = 128,074,513.63
  5. Step 5: Solve for x
    x = 128,074,513.63/13,069.43
  6. Step 6: Final answer
    x = 9,799.55

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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.