Home / 9,831.56-13,565.49-6,247.58

Finding the Fourth Proportional to 9,831.56, 13,565.49 and 6,247.58

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Solution

The fourth proportional to 9,831.56, 13,565.49 and 6,247.58 is: 8,620.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,831.56 : 13,565.49 = 6,247.58 : x
  2. Step 2: Convert to fraction form
    9,831.56/13,565.49 = 6,247.58/x
  3. Step 3: Cross multiply
    9,831.56x = 13,565.49 × 6,247.58
  4. Step 4: Simplify right side
    9,831.56x = 84,751,484.01
  5. Step 5: Solve for x
    x = 84,751,484.01/9,831.56
  6. Step 6: Final answer
    x = 8,620.35

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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.