Home / 10,999.47-16,495.05-4,423.41

Finding the Fourth Proportional to 10,999.47, 16,495.05 and 4,423.41

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Solution

The fourth proportional to 10,999.47, 16,495.05 and 4,423.41 is: 6,633.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,999.47 : 16,495.05 = 4,423.41 : x
  2. Step 2: Convert to fraction form
    10,999.47/16,495.05 = 4,423.41/x
  3. Step 3: Cross multiply
    10,999.47x = 16,495.05 × 4,423.41
  4. Step 4: Simplify right side
    10,999.47x = 72,964,369.12
  5. Step 5: Solve for x
    x = 72,964,369.12/10,999.47
  6. Step 6: Final answer
    x = 6,633.44

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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.