Home / 21,614.04-32,405.13-8,459.64

Finding the Fourth Proportional to 21,614.04, 32,405.13 and 8,459.64

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Solution

The fourth proportional to 21,614.04, 32,405.13 and 8,459.64 is: 12,683.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,614.04 : 32,405.13 = 8,459.64 : x
  2. Step 2: Convert to fraction form
    21,614.04/32,405.13 = 8,459.64/x
  3. Step 3: Cross multiply
    21,614.04x = 32,405.13 × 8,459.64
  4. Step 4: Simplify right side
    21,614.04x = 274,135,733.95
  5. Step 5: Solve for x
    x = 274,135,733.95/21,614.04
  6. Step 6: Final answer
    x = 12,683.23

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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.