Home / 18,857.06-26,019.85-10,897.75

Finding the Fourth Proportional to 18,857.06, 26,019.85 and 10,897.75

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Solution

The fourth proportional to 18,857.06, 26,019.85 and 10,897.75 is: 15,037.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,857.06 : 26,019.85 = 10,897.75 : x
  2. Step 2: Convert to fraction form
    18,857.06/26,019.85 = 10,897.75/x
  3. Step 3: Cross multiply
    18,857.06x = 26,019.85 × 10,897.75
  4. Step 4: Simplify right side
    18,857.06x = 283,557,768.91
  5. Step 5: Solve for x
    x = 283,557,768.91/18,857.06
  6. Step 6: Final answer
    x = 15,037.22

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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.