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Finding the Fourth Proportional to 13,244.80, 19,834.80 and 8,838.40

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Solution

The fourth proportional to 13,244.80, 19,834.80 and 8,838.40 is: 13,235.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,244.80 : 19,834.80 = 8,838.40 : x
  2. Step 2: Convert to fraction form
    13,244.80/19,834.80 = 8,838.40/x
  3. Step 3: Cross multiply
    13,244.80x = 19,834.80 × 8,838.40
  4. Step 4: Simplify right side
    13,244.80x = 175,307,896.32
  5. Step 5: Solve for x
    x = 175,307,896.32/13,244.80
  6. Step 6: Final answer
    x = 13,235.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.