Home / 15,611.16-21,537.32-9,944.88

Finding the Fourth Proportional to 15,611.16, 21,537.32 and 9,944.88

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Solution

The fourth proportional to 15,611.16, 21,537.32 and 9,944.88 is: 13,720.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,611.16 : 21,537.32 = 9,944.88 : x
  2. Step 2: Convert to fraction form
    15,611.16/21,537.32 = 9,944.88/x
  3. Step 3: Cross multiply
    15,611.16x = 21,537.32 × 9,944.88
  4. Step 4: Simplify right side
    15,611.16x = 214,186,062.92
  5. Step 5: Solve for x
    x = 214,186,062.92/15,611.16
  6. Step 6: Final answer
    x = 13,720.06

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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.