Home / 18,850.47-26,016.85-10,897.31

Finding the Fourth Proportional to 18,850.47, 26,016.85 and 10,897.31

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Solution

The fourth proportional to 18,850.47, 26,016.85 and 10,897.31 is: 15,040.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,850.47 : 26,016.85 = 10,897.31 : x
  2. Step 2: Convert to fraction form
    18,850.47/26,016.85 = 10,897.31/x
  3. Step 3: Cross multiply
    18,850.47x = 26,016.85 × 10,897.31
  4. Step 4: Simplify right side
    18,850.47x = 283,513,641.87
  5. Step 5: Solve for x
    x = 283,513,641.87/18,850.47
  6. Step 6: Final answer
    x = 15,040.13

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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.