Home / 18,940.13-26,140.41-14,897.82

Finding the Fourth Proportional to 18,940.13, 26,140.41 and 14,897.82

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Solution

The fourth proportional to 18,940.13, 26,140.41 and 14,897.82 is: 20,561.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,940.13 : 26,140.41 = 14,897.82 : x
  2. Step 2: Convert to fraction form
    18,940.13/26,140.41 = 14,897.82/x
  3. Step 3: Cross multiply
    18,940.13x = 26,140.41 × 14,897.82
  4. Step 4: Simplify right side
    18,940.13x = 389,435,122.91
  5. Step 5: Solve for x
    x = 389,435,122.91/18,940.13
  6. Step 6: Final answer
    x = 20,561.38

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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.