Home / 10,558.53-15,831.45-7,268.04

Finding the Fourth Proportional to 10,558.53, 15,831.45 and 7,268.04

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Solution

The fourth proportional to 10,558.53, 15,831.45 and 7,268.04 is: 10,897.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,558.53 : 15,831.45 = 7,268.04 : x
  2. Step 2: Convert to fraction form
    10,558.53/15,831.45 = 7,268.04/x
  3. Step 3: Cross multiply
    10,558.53x = 15,831.45 × 7,268.04
  4. Step 4: Simplify right side
    10,558.53x = 115,063,611.86
  5. Step 5: Solve for x
    x = 115,063,611.86/10,558.53
  6. Step 6: Final answer
    x = 10,897.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.