Home / 18,940.68-26,136.99-10,442.43

Finding the Fourth Proportional to 18,940.68, 26,136.99 and 10,442.43

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Solution

The fourth proportional to 18,940.68, 26,136.99 and 10,442.43 is: 14,409.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,940.68 : 26,136.99 = 10,442.43 : x
  2. Step 2: Convert to fraction form
    18,940.68/26,136.99 = 10,442.43/x
  3. Step 3: Cross multiply
    18,940.68x = 26,136.99 × 10,442.43
  4. Step 4: Simplify right side
    18,940.68x = 272,933,688.49
  5. Step 5: Solve for x
    x = 272,933,688.49/18,940.68
  6. Step 6: Final answer
    x = 14,409.92

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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.