Home / 18,981.75-26,196.44-10,599.87

Finding the Fourth Proportional to 18,981.75, 26,196.44 and 10,599.87

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Solution

The fourth proportional to 18,981.75, 26,196.44 and 10,599.87 is: 14,628.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,981.75 : 26,196.44 = 10,599.87 : x
  2. Step 2: Convert to fraction form
    18,981.75/26,196.44 = 10,599.87/x
  3. Step 3: Cross multiply
    18,981.75x = 26,196.44 × 10,599.87
  4. Step 4: Simplify right side
    18,981.75x = 277,678,805.46
  5. Step 5: Solve for x
    x = 277,678,805.46/18,981.75
  6. Step 6: Final answer
    x = 14,628.73

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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.