Home / 18,981.10-26,193.78-10,483.78

Finding the Fourth Proportional to 18,981.10, 26,193.78 and 10,483.78

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Solution

The fourth proportional to 18,981.10, 26,193.78 and 10,483.78 is: 14,467.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,981.10 : 26,193.78 = 10,483.78 : x
  2. Step 2: Convert to fraction form
    18,981.10/26,193.78 = 10,483.78/x
  3. Step 3: Cross multiply
    18,981.10x = 26,193.78 × 10,483.78
  4. Step 4: Simplify right side
    18,981.10x = 274,609,695.92
  5. Step 5: Solve for x
    x = 274,609,695.92/18,981.10
  6. Step 6: Final answer
    x = 14,467.54

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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.