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Finding the Fourth Proportional to 13,232.80, 19,810.80 and 12,848.80

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Solution

The fourth proportional to 13,232.80, 19,810.80 and 12,848.80 is: 19,235.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,232.80 : 19,810.80 = 12,848.80 : x
  2. Step 2: Convert to fraction form
    13,232.80/19,810.80 = 12,848.80/x
  3. Step 3: Cross multiply
    13,232.80x = 19,810.80 × 12,848.80
  4. Step 4: Simplify right side
    13,232.80x = 254,545,007.04
  5. Step 5: Solve for x
    x = 254,545,007.04/13,232.80
  6. Step 6: Final answer
    x = 19,235.91

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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.