Home / 12,822.40-19,244.40-5,036.80

Finding the Fourth Proportional to 12,822.40, 19,244.40 and 5,036.80

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Solution

The fourth proportional to 12,822.40, 19,244.40 and 5,036.80 is: 7,559.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,822.40 : 19,244.40 = 5,036.80 : x
  2. Step 2: Convert to fraction form
    12,822.40/19,244.40 = 5,036.80/x
  3. Step 3: Cross multiply
    12,822.40x = 19,244.40 × 5,036.80
  4. Step 4: Simplify right side
    12,822.40x = 96,930,193.92
  5. Step 5: Solve for x
    x = 96,930,193.92/12,822.40
  6. Step 6: Final answer
    x = 7,559.44

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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.