Home / 19,219.62-26,520.03-10,834.50

Finding the Fourth Proportional to 19,219.62, 26,520.03 and 10,834.50

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Solution

The fourth proportional to 19,219.62, 26,520.03 and 10,834.50 is: 14,949.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,219.62 : 26,520.03 = 10,834.50 : x
  2. Step 2: Convert to fraction form
    19,219.62/26,520.03 = 10,834.50/x
  3. Step 3: Cross multiply
    19,219.62x = 26,520.03 × 10,834.50
  4. Step 4: Simplify right side
    19,219.62x = 287,331,265.04
  5. Step 5: Solve for x
    x = 287,331,265.04/19,219.62
  6. Step 6: Final answer
    x = 14,949.89

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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.