Home / 10,884.18-16,326.09-4,312.20

Finding the Fourth Proportional to 10,884.18, 16,326.09 and 4,312.20

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Solution

The fourth proportional to 10,884.18, 16,326.09 and 4,312.20 is: 6,468.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,884.18 : 16,326.09 = 4,312.20 : x
  2. Step 2: Convert to fraction form
    10,884.18/16,326.09 = 4,312.20/x
  3. Step 3: Cross multiply
    10,884.18x = 16,326.09 × 4,312.20
  4. Step 4: Simplify right side
    10,884.18x = 70,401,365.30
  5. Step 5: Solve for x
    x = 70,401,365.30/10,884.18
  6. Step 6: Final answer
    x = 6,468.23

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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.