Home / 11,306.93-15,611.28-7,064.45

Finding the Fourth Proportional to 11,306.93, 15,611.28 and 7,064.45

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Solution

The fourth proportional to 11,306.93, 15,611.28 and 7,064.45 is: 9,753.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,306.93 : 15,611.28 = 7,064.45 : x
  2. Step 2: Convert to fraction form
    11,306.93/15,611.28 = 7,064.45/x
  3. Step 3: Cross multiply
    11,306.93x = 15,611.28 × 7,064.45
  4. Step 4: Simplify right side
    11,306.93x = 110,285,028.94
  5. Step 5: Solve for x
    x = 110,285,028.94/11,306.93
  6. Step 6: Final answer
    x = 9,753.76

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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.