Home / 18,862.18-26,030.49-10,906.90

Finding the Fourth Proportional to 18,862.18, 26,030.49 and 10,906.90

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Solution

The fourth proportional to 18,862.18, 26,030.49 and 10,906.90 is: 15,051.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,862.18 : 26,030.49 = 10,906.90 : x
  2. Step 2: Convert to fraction form
    18,862.18/26,030.49 = 10,906.90/x
  3. Step 3: Cross multiply
    18,862.18x = 26,030.49 × 10,906.90
  4. Step 4: Simplify right side
    18,862.18x = 283,911,951.38
  5. Step 5: Solve for x
    x = 283,911,951.38/18,862.18
  6. Step 6: Final answer
    x = 15,051.92

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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.