Home / 10,831.86-14,948.06-6,355.71

Finding the Fourth Proportional to 10,831.86, 14,948.06 and 6,355.71

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Solution

The fourth proportional to 10,831.86, 14,948.06 and 6,355.71 is: 8,770.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,831.86 : 14,948.06 = 6,355.71 : x
  2. Step 2: Convert to fraction form
    10,831.86/14,948.06 = 6,355.71/x
  3. Step 3: Cross multiply
    10,831.86x = 14,948.06 × 6,355.71
  4. Step 4: Simplify right side
    10,831.86x = 95,005,502.64
  5. Step 5: Solve for x
    x = 95,005,502.64/10,831.86
  6. Step 6: Final answer
    x = 8,770.93

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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.