Home / 10,088.03-13,921.10-5,611.64

Finding the Fourth Proportional to 10,088.03, 13,921.10 and 5,611.64

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Solution

The fourth proportional to 10,088.03, 13,921.10 and 5,611.64 is: 7,743.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,088.03 : 13,921.10 = 5,611.64 : x
  2. Step 2: Convert to fraction form
    10,088.03/13,921.10 = 5,611.64/x
  3. Step 3: Cross multiply
    10,088.03x = 13,921.10 × 5,611.64
  4. Step 4: Simplify right side
    10,088.03x = 78,120,124.98
  5. Step 5: Solve for x
    x = 78,120,124.98/10,088.03
  6. Step 6: Final answer
    x = 7,743.84

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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.