Home / 11,221.04-16,831.56-6,283.28

Finding the Fourth Proportional to 11,221.04, 16,831.56 and 6,283.28

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Solution

The fourth proportional to 11,221.04, 16,831.56 and 6,283.28 is: 9,424.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,221.04 : 16,831.56 = 6,283.28 : x
  2. Step 2: Convert to fraction form
    11,221.04/16,831.56 = 6,283.28/x
  3. Step 3: Cross multiply
    11,221.04x = 16,831.56 × 6,283.28
  4. Step 4: Simplify right side
    11,221.04x = 105,757,404.32
  5. Step 5: Solve for x
    x = 105,757,404.32/11,221.04
  6. Step 6: Final answer
    x = 9,424.92

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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.