Home / 15,611.32-23,407.26-7,287.76

Finding the Fourth Proportional to 15,611.32, 23,407.26 and 7,287.76

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Solution

The fourth proportional to 15,611.32, 23,407.26 and 7,287.76 is: 10,927.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,611.32 : 23,407.26 = 7,287.76 : x
  2. Step 2: Convert to fraction form
    15,611.32/23,407.26 = 7,287.76/x
  3. Step 3: Cross multiply
    15,611.32x = 23,407.26 × 7,287.76
  4. Step 4: Simplify right side
    15,611.32x = 170,586,493.14
  5. Step 5: Solve for x
    x = 170,586,493.14/15,611.32
  6. Step 6: Final answer
    x = 10,927.10

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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.