Home / 9,831.32-13,567.34-5,355.11

Finding the Fourth Proportional to 9,831.32, 13,567.34 and 5,355.11

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Solution

The fourth proportional to 9,831.32, 13,567.34 and 5,355.11 is: 7,390.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,831.32 : 13,567.34 = 5,355.11 : x
  2. Step 2: Convert to fraction form
    9,831.32/13,567.34 = 5,355.11/x
  3. Step 3: Cross multiply
    9,831.32x = 13,567.34 × 5,355.11
  4. Step 4: Simplify right side
    9,831.32x = 72,654,598.11
  5. Step 5: Solve for x
    x = 72,654,598.11/9,831.32
  6. Step 6: Final answer
    x = 7,390.12

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.