Home / 15,611.64-23,419.44-7,176.12

Finding the Fourth Proportional to 15,611.64, 23,419.44 and 7,176.12

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Solution

The fourth proportional to 15,611.64, 23,419.44 and 7,176.12 is: 10,765.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,611.64 : 23,419.44 = 7,176.12 : x
  2. Step 2: Convert to fraction form
    15,611.64/23,419.44 = 7,176.12/x
  3. Step 3: Cross multiply
    15,611.64x = 23,419.44 × 7,176.12
  4. Step 4: Simplify right side
    15,611.64x = 168,060,711.77
  5. Step 5: Solve for x
    x = 168,060,711.77/15,611.64
  6. Step 6: Final answer
    x = 10,765.09

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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.