Home / 19,218-28,831.26-5,892.84

Finding the Fourth Proportional to 19,218, 28,831.26 and 5,892.84

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Solution

The fourth proportional to 19,218, 28,831.26 and 5,892.84 is: 8,840.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,218 : 28,831.26 = 5,892.84 : x
  2. Step 2: Convert to fraction form
    19,218/28,831.26 = 5,892.84/x
  3. Step 3: Cross multiply
    19,218x = 28,831.26 × 5,892.84
  4. Step 4: Simplify right side
    19,218x = 169,898,002.18
  5. Step 5: Solve for x
    x = 169,898,002.18/19,218
  6. Step 6: Final answer
    x = 8,840.57

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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.