Home / 11,281.04-15,568.56-6,804.80

Finding the Fourth Proportional to 11,281.04, 15,568.56 and 6,804.80

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Solution

The fourth proportional to 11,281.04, 15,568.56 and 6,804.80 is: 9,391.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,281.04 : 15,568.56 = 6,804.80 : x
  2. Step 2: Convert to fraction form
    11,281.04/15,568.56 = 6,804.80/x
  3. Step 3: Cross multiply
    11,281.04x = 15,568.56 × 6,804.80
  4. Step 4: Simplify right side
    11,281.04x = 105,940,937.09
  5. Step 5: Solve for x
    x = 105,940,937.09/11,281.04
  6. Step 6: Final answer
    x = 9,391.06

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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.