Home / 11,308.23-15,603.93-6,831.21

Finding the Fourth Proportional to 11,308.23, 15,603.93 and 6,831.21

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Solution

The fourth proportional to 11,308.23, 15,603.93 and 6,831.21 is: 9,426.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,308.23 : 15,603.93 = 6,831.21 : x
  2. Step 2: Convert to fraction form
    11,308.23/15,603.93 = 6,831.21/x
  3. Step 3: Cross multiply
    11,308.23x = 15,603.93 × 6,831.21
  4. Step 4: Simplify right side
    11,308.23x = 106,593,722.66
  5. Step 5: Solve for x
    x = 106,593,722.66/11,308.23
  6. Step 6: Final answer
    x = 9,426.21

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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.