Home / 18,897.49-26,078.52-10,938.43

Finding the Fourth Proportional to 18,897.49, 26,078.52 and 10,938.43

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Solution

The fourth proportional to 18,897.49, 26,078.52 and 10,938.43 is: 15,095.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,897.49 : 26,078.52 = 10,938.43 : x
  2. Step 2: Convert to fraction form
    18,897.49/26,078.52 = 10,938.43/x
  3. Step 3: Cross multiply
    18,897.49x = 26,078.52 × 10,938.43
  4. Step 4: Simplify right side
    18,897.49x = 285,258,065.52
  5. Step 5: Solve for x
    x = 285,258,065.52/18,897.49
  6. Step 6: Final answer
    x = 15,095.02

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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.