Home / 10,831.34-14,945.67-6,354.07

Finding the Fourth Proportional to 10,831.34, 14,945.67 and 6,354.07

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Solution

The fourth proportional to 10,831.34, 14,945.67 and 6,354.07 is: 8,767.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,831.34 : 14,945.67 = 6,354.07 : x
  2. Step 2: Convert to fraction form
    10,831.34/14,945.67 = 6,354.07/x
  3. Step 3: Cross multiply
    10,831.34x = 14,945.67 × 6,354.07
  4. Step 4: Simplify right side
    10,831.34x = 94,965,796.01
  5. Step 5: Solve for x
    x = 94,965,796.01/10,831.34
  6. Step 6: Final answer
    x = 8,767.68

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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.