Home / 18,944.91-26,142.95-10,878.98

Finding the Fourth Proportional to 18,944.91, 26,142.95 and 10,878.98

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Solution

The fourth proportional to 18,944.91, 26,142.95 and 10,878.98 is: 15,012.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,944.91 : 26,142.95 = 10,878.98 : x
  2. Step 2: Convert to fraction form
    18,944.91/26,142.95 = 10,878.98/x
  3. Step 3: Cross multiply
    18,944.91x = 26,142.95 × 10,878.98
  4. Step 4: Simplify right side
    18,944.91x = 284,408,445.08
  5. Step 5: Solve for x
    x = 284,408,445.08/18,944.91
  6. Step 6: Final answer
    x = 15,012.39

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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.