Home / 11,220.21-16,831.01-4,646.91

Finding the Fourth Proportional to 11,220.21, 16,831.01 and 4,646.91

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Solution

The fourth proportional to 11,220.21, 16,831.01 and 4,646.91 is: 6,970.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,220.21 : 16,831.01 = 4,646.91 : x
  2. Step 2: Convert to fraction form
    11,220.21/16,831.01 = 4,646.91/x
  3. Step 3: Cross multiply
    11,220.21x = 16,831.01 × 4,646.91
  4. Step 4: Simplify right side
    11,220.21x = 78,212,165.44
  5. Step 5: Solve for x
    x = 78,212,165.44/11,220.21
  6. Step 6: Final answer
    x = 6,970.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.