Home / 10,015.16-13,808.18-6,611.63

Finding the Fourth Proportional to 10,015.16, 13,808.18 and 6,611.63

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Solution

The fourth proportional to 10,015.16, 13,808.18 and 6,611.63 is: 9,115.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,015.16 : 13,808.18 = 6,611.63 : x
  2. Step 2: Convert to fraction form
    10,015.16/13,808.18 = 6,611.63/x
  3. Step 3: Cross multiply
    10,015.16x = 13,808.18 × 6,611.63
  4. Step 4: Simplify right side
    10,015.16x = 91,294,524.62
  5. Step 5: Solve for x
    x = 91,294,524.62/10,015.16
  6. Step 6: Final answer
    x = 9,115.64

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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.