Home / 10,742.02-16,102.43-4,503.80

Finding the Fourth Proportional to 10,742.02, 16,102.43 and 4,503.80

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Solution

The fourth proportional to 10,742.02, 16,102.43 and 4,503.80 is: 6,751.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,742.02 : 16,102.43 = 4,503.80 : x
  2. Step 2: Convert to fraction form
    10,742.02/16,102.43 = 4,503.80/x
  3. Step 3: Cross multiply
    10,742.02x = 16,102.43 × 4,503.80
  4. Step 4: Simplify right side
    10,742.02x = 72,522,158.86
  5. Step 5: Solve for x
    x = 72,522,158.86/10,742.02
  6. Step 6: Final answer
    x = 6,751.26

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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.