Home / 21,441.75-32,154.72-7,398.19

Finding the Fourth Proportional to 21,441.75, 32,154.72 and 7,398.19

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Solution

The fourth proportional to 21,441.75, 32,154.72 and 7,398.19 is: 11,094.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,441.75 : 32,154.72 = 7,398.19 : x
  2. Step 2: Convert to fraction form
    21,441.75/32,154.72 = 7,398.19/x
  3. Step 3: Cross multiply
    21,441.75x = 32,154.72 × 7,398.19
  4. Step 4: Simplify right side
    21,441.75x = 237,886,727.96
  5. Step 5: Solve for x
    x = 237,886,727.96/21,441.75
  6. Step 6: Final answer
    x = 11,094.56

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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.