Home / 11,087.17-15,302.84-7,311.02

Finding the Fourth Proportional to 11,087.17, 15,302.84 and 7,311.02

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Solution

The fourth proportional to 11,087.17, 15,302.84 and 7,311.02 is: 10,090.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,087.17 : 15,302.84 = 7,311.02 : x
  2. Step 2: Convert to fraction form
    11,087.17/15,302.84 = 7,311.02/x
  3. Step 3: Cross multiply
    11,087.17x = 15,302.84 × 7,311.02
  4. Step 4: Simplify right side
    11,087.17x = 111,879,256.23
  5. Step 5: Solve for x
    x = 111,879,256.23/11,087.17
  6. Step 6: Final answer
    x = 10,090.88

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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.