Home / 13,248.54-18,283.02-7,198.80

Finding the Fourth Proportional to 13,248.54, 18,283.02 and 7,198.80

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Solution

The fourth proportional to 13,248.54, 18,283.02 and 7,198.80 is: 9,934.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248.54 : 18,283.02 = 7,198.80 : x
  2. Step 2: Convert to fraction form
    13,248.54/18,283.02 = 7,198.80/x
  3. Step 3: Cross multiply
    13,248.54x = 18,283.02 × 7,198.80
  4. Step 4: Simplify right side
    13,248.54x = 131,615,804.38
  5. Step 5: Solve for x
    x = 131,615,804.38/13,248.54
  6. Step 6: Final answer
    x = 9,934.36

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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.