Home / 12,582.21-17,363.86-6,917.19

Finding the Fourth Proportional to 12,582.21, 17,363.86 and 6,917.19

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Solution

The fourth proportional to 12,582.21, 17,363.86 and 6,917.19 is: 9,545.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,582.21 : 17,363.86 = 6,917.19 : x
  2. Step 2: Convert to fraction form
    12,582.21/17,363.86 = 6,917.19/x
  3. Step 3: Cross multiply
    12,582.21x = 17,363.86 × 6,917.19
  4. Step 4: Simplify right side
    12,582.21x = 120,109,221.76
  5. Step 5: Solve for x
    x = 120,109,221.76/12,582.21
  6. Step 6: Final answer
    x = 9,545.96

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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.