Home / 16,767.02-23,138.87-9,213.81

Finding the Fourth Proportional to 16,767.02, 23,138.87 and 9,213.81

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Solution

The fourth proportional to 16,767.02, 23,138.87 and 9,213.81 is: 12,715.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,767.02 : 23,138.87 = 9,213.81 : x
  2. Step 2: Convert to fraction form
    16,767.02/23,138.87 = 9,213.81/x
  3. Step 3: Cross multiply
    16,767.02x = 23,138.87 × 9,213.81
  4. Step 4: Simplify right side
    16,767.02x = 213,197,018.95
  5. Step 5: Solve for x
    x = 213,197,018.95/16,767.02
  6. Step 6: Final answer
    x = 12,715.26

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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.