Home / 20,157.37-30,225.68-9,054.53

Finding the Fourth Proportional to 20,157.37, 30,225.68 and 9,054.53

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Solution

The fourth proportional to 20,157.37, 30,225.68 and 9,054.53 is: 13,577.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,157.37 : 30,225.68 = 9,054.53 : x
  2. Step 2: Convert to fraction form
    20,157.37/30,225.68 = 9,054.53/x
  3. Step 3: Cross multiply
    20,157.37x = 30,225.68 × 9,054.53
  4. Step 4: Simplify right side
    20,157.37x = 273,679,326.33
  5. Step 5: Solve for x
    x = 273,679,326.33/20,157.37
  6. Step 6: Final answer
    x = 13,577.13

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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.