Home / 18,947.49-26,132.12-16,673.92

Finding the Fourth Proportional to 18,947.49, 26,132.12 and 16,673.92

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Solution

The fourth proportional to 18,947.49, 26,132.12 and 16,673.92 is: 22,996.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,947.49 : 26,132.12 = 16,673.92 : x
  2. Step 2: Convert to fraction form
    18,947.49/26,132.12 = 16,673.92/x
  3. Step 3: Cross multiply
    18,947.49x = 26,132.12 × 16,673.92
  4. Step 4: Simplify right side
    18,947.49x = 435,724,792.14
  5. Step 5: Solve for x
    x = 435,724,792.14/18,947.49
  6. Step 6: Final answer
    x = 22,996.44

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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.