Home / 12,247.47-16,901.87-6,942.11

Finding the Fourth Proportional to 12,247.47, 16,901.87 and 6,942.11

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Solution

The fourth proportional to 12,247.47, 16,901.87 and 6,942.11 is: 9,580.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,247.47 : 16,901.87 = 6,942.11 : x
  2. Step 2: Convert to fraction form
    12,247.47/16,901.87 = 6,942.11/x
  3. Step 3: Cross multiply
    12,247.47x = 16,901.87 × 6,942.11
  4. Step 4: Simplify right side
    12,247.47x = 117,334,521.53
  5. Step 5: Solve for x
    x = 117,334,521.53/12,247.47
  6. Step 6: Final answer
    x = 9,580.31

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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.