Home / 21,581.08-32,346.34-8,245.32

Finding the Fourth Proportional to 21,581.08, 32,346.34 and 8,245.32

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Solution

The fourth proportional to 21,581.08, 32,346.34 and 8,245.32 is: 12,358.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,581.08 : 32,346.34 = 8,245.32 : x
  2. Step 2: Convert to fraction form
    21,581.08/32,346.34 = 8,245.32/x
  3. Step 3: Cross multiply
    21,581.08x = 32,346.34 × 8,245.32
  4. Step 4: Simplify right side
    21,581.08x = 266,705,924.13
  5. Step 5: Solve for x
    x = 266,705,924.13/21,581.08
  6. Step 6: Final answer
    x = 12,358.32

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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.