Home / 14,240.39-19,650.78-8,574.05

Finding the Fourth Proportional to 14,240.39, 19,650.78 and 8,574.05

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Solution

The fourth proportional to 14,240.39, 19,650.78 and 8,574.05 is: 11,831.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,240.39 : 19,650.78 = 8,574.05 : x
  2. Step 2: Convert to fraction form
    14,240.39/19,650.78 = 8,574.05/x
  3. Step 3: Cross multiply
    14,240.39x = 19,650.78 × 8,574.05
  4. Step 4: Simplify right side
    14,240.39x = 168,486,770.26
  5. Step 5: Solve for x
    x = 168,486,770.26/14,240.39
  6. Step 6: Final answer
    x = 11,831.61

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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.