Home / 20,008.96-30,016.32-6,154.72

Finding the Fourth Proportional to 20,008.96, 30,016.32 and 6,154.72

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Solution

The fourth proportional to 20,008.96, 30,016.32 and 6,154.72 is: 9,232.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,008.96 : 30,016.32 = 6,154.72 : x
  2. Step 2: Convert to fraction form
    20,008.96/30,016.32 = 6,154.72/x
  3. Step 3: Cross multiply
    20,008.96x = 30,016.32 × 6,154.72
  4. Step 4: Simplify right side
    20,008.96x = 184,742,045.03
  5. Step 5: Solve for x
    x = 184,742,045.03/20,008.96
  6. Step 6: Final answer
    x = 9,232.97

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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.