Home / 18,974.69-26,184.98-11,018.87

Finding the Fourth Proportional to 18,974.69, 26,184.98 and 11,018.87

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Solution

The fourth proportional to 18,974.69, 26,184.98 and 11,018.87 is: 15,205.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,974.69 : 26,184.98 = 11,018.87 : x
  2. Step 2: Convert to fraction form
    18,974.69/26,184.98 = 11,018.87/x
  3. Step 3: Cross multiply
    18,974.69x = 26,184.98 × 11,018.87
  4. Step 4: Simplify right side
    18,974.69x = 288,528,835.48
  5. Step 5: Solve for x
    x = 288,528,835.48/18,974.69
  6. Step 6: Final answer
    x = 15,205.98

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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.