Home / 20,152.55-30,232.08-6,109.28

Finding the Fourth Proportional to 20,152.55, 30,232.08 and 6,109.28

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Solution

The fourth proportional to 20,152.55, 30,232.08 and 6,109.28 is: 9,164.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,152.55 : 30,232.08 = 6,109.28 : x
  2. Step 2: Convert to fraction form
    20,152.55/30,232.08 = 6,109.28/x
  3. Step 3: Cross multiply
    20,152.55x = 30,232.08 × 6,109.28
  4. Step 4: Simplify right side
    20,152.55x = 184,696,090.54
  5. Step 5: Solve for x
    x = 184,696,090.54/20,152.55
  6. Step 6: Final answer
    x = 9,164.90

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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.