Home / 16,719.14-23,073.23-9,165.78

Finding the Fourth Proportional to 16,719.14, 23,073.23 and 9,165.78

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Solution

The fourth proportional to 16,719.14, 23,073.23 and 9,165.78 is: 12,649.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,719.14 : 23,073.23 = 9,165.78 : x
  2. Step 2: Convert to fraction form
    16,719.14/23,073.23 = 9,165.78/x
  3. Step 3: Cross multiply
    16,719.14x = 23,073.23 × 9,165.78
  4. Step 4: Simplify right side
    16,719.14x = 211,484,172.98
  5. Step 5: Solve for x
    x = 211,484,172.98/16,719.14
  6. Step 6: Final answer
    x = 12,649.22

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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.