Home / 11,263.78-15,538.14-7,014.16

Finding the Fourth Proportional to 11,263.78, 15,538.14 and 7,014.16

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Solution

The fourth proportional to 11,263.78, 15,538.14 and 7,014.16 is: 9,675.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,263.78 : 15,538.14 = 7,014.16 : x
  2. Step 2: Convert to fraction form
    11,263.78/15,538.14 = 7,014.16/x
  3. Step 3: Cross multiply
    11,263.78x = 15,538.14 × 7,014.16
  4. Step 4: Simplify right side
    11,263.78x = 108,987,000.06
  5. Step 5: Solve for x
    x = 108,987,000.06/11,263.78
  6. Step 6: Final answer
    x = 9,675.88

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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.