Home / 16,699.54-23,045.29-9,145.85

Finding the Fourth Proportional to 16,699.54, 23,045.29 and 9,145.85

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Solution

The fourth proportional to 16,699.54, 23,045.29 and 9,145.85 is: 12,621.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,699.54 : 23,045.29 = 9,145.85 : x
  2. Step 2: Convert to fraction form
    16,699.54/23,045.29 = 9,145.85/x
  3. Step 3: Cross multiply
    16,699.54x = 23,045.29 × 9,145.85
  4. Step 4: Simplify right side
    16,699.54x = 210,768,604.59
  5. Step 5: Solve for x
    x = 210,768,604.59/16,699.54
  6. Step 6: Final answer
    x = 12,621.22

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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.