Home / 16,732.10-23,089.90-9,178.37

Finding the Fourth Proportional to 16,732.10, 23,089.90 and 9,178.37

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Solution

The fourth proportional to 16,732.10, 23,089.90 and 9,178.37 is: 12,665.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,732.10 : 23,089.90 = 9,178.37 : x
  2. Step 2: Convert to fraction form
    16,732.10/23,089.90 = 9,178.37/x
  3. Step 3: Cross multiply
    16,732.10x = 23,089.90 × 9,178.37
  4. Step 4: Simplify right side
    16,732.10x = 211,927,645.46
  5. Step 5: Solve for x
    x = 211,927,645.46/16,732.10
  6. Step 6: Final answer
    x = 12,665.93

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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.