Home / 16,768.23-23,140.11-9,215.07

Finding the Fourth Proportional to 16,768.23, 23,140.11 and 9,215.07

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Solution

The fourth proportional to 16,768.23, 23,140.11 and 9,215.07 is: 12,716.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,768.23 : 23,140.11 = 9,215.07 : x
  2. Step 2: Convert to fraction form
    16,768.23/23,140.11 = 9,215.07/x
  3. Step 3: Cross multiply
    16,768.23x = 23,140.11 × 9,215.07
  4. Step 4: Simplify right side
    16,768.23x = 213,237,733.46
  5. Step 5: Solve for x
    x = 213,237,733.46/16,768.23
  6. Step 6: Final answer
    x = 12,716.77

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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.