Home / 11,742.02-16,200.78-7,552.70

Finding the Fourth Proportional to 11,742.02, 16,200.78 and 7,552.70

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Solution

The fourth proportional to 11,742.02, 16,200.78 and 7,552.70 is: 10,420.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,742.02 : 16,200.78 = 7,552.70 : x
  2. Step 2: Convert to fraction form
    11,742.02/16,200.78 = 7,552.70/x
  3. Step 3: Cross multiply
    11,742.02x = 16,200.78 × 7,552.70
  4. Step 4: Simplify right side
    11,742.02x = 122,359,631.11
  5. Step 5: Solve for x
    x = 122,359,631.11/11,742.02
  6. Step 6: Final answer
    x = 10,420.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.