Home / 16,765.45-23,135.94-9,108.63

Finding the Fourth Proportional to 16,765.45, 23,135.94 and 9,108.63

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Solution

The fourth proportional to 16,765.45, 23,135.94 and 9,108.63 is: 12,569.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,765.45 : 23,135.94 = 9,108.63 : x
  2. Step 2: Convert to fraction form
    16,765.45/23,135.94 = 9,108.63/x
  3. Step 3: Cross multiply
    16,765.45x = 23,135.94 × 9,108.63
  4. Step 4: Simplify right side
    16,765.45x = 210,736,717.16
  5. Step 5: Solve for x
    x = 210,736,717.16/16,765.45
  6. Step 6: Final answer
    x = 12,569.70

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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.