Home / 10,067.32-15,094.09-5,127.40

Finding the Fourth Proportional to 10,067.32, 15,094.09 and 5,127.40

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Solution

The fourth proportional to 10,067.32, 15,094.09 and 5,127.40 is: 7,687.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,067.32 : 15,094.09 = 5,127.40 : x
  2. Step 2: Convert to fraction form
    10,067.32/15,094.09 = 5,127.40/x
  3. Step 3: Cross multiply
    10,067.32x = 15,094.09 × 5,127.40
  4. Step 4: Simplify right side
    10,067.32x = 77,393,437.07
  5. Step 5: Solve for x
    x = 77,393,437.07/10,067.32
  6. Step 6: Final answer
    x = 7,687.59

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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.