Home / 15,133.81-22,670.64-11,831.44

Finding the Fourth Proportional to 15,133.81, 22,670.64 and 11,831.44

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Solution

The fourth proportional to 15,133.81, 22,670.64 and 11,831.44 is: 17,723.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,133.81 : 22,670.64 = 11,831.44 : x
  2. Step 2: Convert to fraction form
    15,133.81/22,670.64 = 11,831.44/x
  3. Step 3: Cross multiply
    15,133.81x = 22,670.64 × 11,831.44
  4. Step 4: Simplify right side
    15,133.81x = 268,226,316.92
  5. Step 5: Solve for x
    x = 268,226,316.92/15,133.81
  6. Step 6: Final answer
    x = 17,723.65

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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.