Home / 20,235.66-30,366.96-7,088.01

Finding the Fourth Proportional to 20,235.66, 30,366.96 and 7,088.01

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Solution

The fourth proportional to 20,235.66, 30,366.96 and 7,088.01 is: 10,636.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,235.66 : 30,366.96 = 7,088.01 : x
  2. Step 2: Convert to fraction form
    20,235.66/30,366.96 = 7,088.01/x
  3. Step 3: Cross multiply
    20,235.66x = 30,366.96 × 7,088.01
  4. Step 4: Simplify right side
    20,235.66x = 215,241,316.15
  5. Step 5: Solve for x
    x = 215,241,316.15/20,235.66
  6. Step 6: Final answer
    x = 10,636.73

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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.