Home / 21,656.12-32,487.57-9,176.22

Finding the Fourth Proportional to 21,656.12, 32,487.57 and 9,176.22

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Solution

The fourth proportional to 21,656.12, 32,487.57 and 9,176.22 is: 13,765.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,656.12 : 32,487.57 = 9,176.22 : x
  2. Step 2: Convert to fraction form
    21,656.12/32,487.57 = 9,176.22/x
  3. Step 3: Cross multiply
    21,656.12x = 32,487.57 × 9,176.22
  4. Step 4: Simplify right side
    21,656.12x = 298,113,089.59
  5. Step 5: Solve for x
    x = 298,113,089.59/21,656.12
  6. Step 6: Final answer
    x = 13,765.77

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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.