Home / 21,658.04-32,464.66-8,327.40

Finding the Fourth Proportional to 21,658.04, 32,464.66 and 8,327.40

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Solution

The fourth proportional to 21,658.04, 32,464.66 and 8,327.40 is: 12,482.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,658.04 : 32,464.66 = 8,327.40 : x
  2. Step 2: Convert to fraction form
    21,658.04/32,464.66 = 8,327.40/x
  3. Step 3: Cross multiply
    21,658.04x = 32,464.66 × 8,327.40
  4. Step 4: Simplify right side
    21,658.04x = 270,346,209.68
  5. Step 5: Solve for x
    x = 270,346,209.68/21,658.04
  6. Step 6: Final answer
    x = 12,482.49

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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.