Home / 16,917.60-23,345.70-9,363.90

Finding the Fourth Proportional to 16,917.60, 23,345.70 and 9,363.90

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Solution

The fourth proportional to 16,917.60, 23,345.70 and 9,363.90 is: 12,921.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,917.60 : 23,345.70 = 9,363.90 : x
  2. Step 2: Convert to fraction form
    16,917.60/23,345.70 = 9,363.90/x
  3. Step 3: Cross multiply
    16,917.60x = 23,345.70 × 9,363.90
  4. Step 4: Simplify right side
    16,917.60x = 218,606,800.23
  5. Step 5: Solve for x
    x = 218,606,800.23/16,917.60
  6. Step 6: Final answer
    x = 12,921.86

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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.