Home / 10,747.21-14,831.15-6,031.49

Finding the Fourth Proportional to 10,747.21, 14,831.15 and 6,031.49

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Solution

The fourth proportional to 10,747.21, 14,831.15 and 6,031.49 is: 8,323.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,747.21 : 14,831.15 = 6,031.49 : x
  2. Step 2: Convert to fraction form
    10,747.21/14,831.15 = 6,031.49/x
  3. Step 3: Cross multiply
    10,747.21x = 14,831.15 × 6,031.49
  4. Step 4: Simplify right side
    10,747.21x = 89,453,932.91
  5. Step 5: Solve for x
    x = 89,453,932.91/10,747.21
  6. Step 6: Final answer
    x = 8,323.46

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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.