Home / 16,688.25-23,027.49-9,972.45

Finding the Fourth Proportional to 16,688.25, 23,027.49 and 9,972.45

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Solution

The fourth proportional to 16,688.25, 23,027.49 and 9,972.45 is: 13,760.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,688.25 : 23,027.49 = 9,972.45 : x
  2. Step 2: Convert to fraction form
    16,688.25/23,027.49 = 9,972.45/x
  3. Step 3: Cross multiply
    16,688.25x = 23,027.49 × 9,972.45
  4. Step 4: Simplify right side
    16,688.25x = 229,640,492.65
  5. Step 5: Solve for x
    x = 229,640,492.65/16,688.25
  6. Step 6: Final answer
    x = 13,760.61

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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.