Home / 11,283.06-15,568.41-7,088.88

Finding the Fourth Proportional to 11,283.06, 15,568.41 and 7,088.88

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Solution

The fourth proportional to 11,283.06, 15,568.41 and 7,088.88 is: 9,781.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,283.06 : 15,568.41 = 7,088.88 : x
  2. Step 2: Convert to fraction form
    11,283.06/15,568.41 = 7,088.88/x
  3. Step 3: Cross multiply
    11,283.06x = 15,568.41 × 7,088.88
  4. Step 4: Simplify right side
    11,283.06x = 110,362,590.28
  5. Step 5: Solve for x
    x = 110,362,590.28/11,283.06
  6. Step 6: Final answer
    x = 9,781.26

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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.