Home / 18,948.39-26,149.05-10,993.02

Finding the Fourth Proportional to 18,948.39, 26,149.05 and 10,993.02

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Solution

The fourth proportional to 18,948.39, 26,149.05 and 10,993.02 is: 15,170.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,948.39 : 26,149.05 = 10,993.02 : x
  2. Step 2: Convert to fraction form
    18,948.39/26,149.05 = 10,993.02/x
  3. Step 3: Cross multiply
    18,948.39x = 26,149.05 × 10,993.02
  4. Step 4: Simplify right side
    18,948.39x = 287,457,029.63
  5. Step 5: Solve for x
    x = 287,457,029.63/18,948.39
  6. Step 6: Final answer
    x = 15,170.53

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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.