Home / 13,831.76-19,093.32-8,531.60

Finding the Fourth Proportional to 13,831.76, 19,093.32 and 8,531.60

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Solution

The fourth proportional to 13,831.76, 19,093.32 and 8,531.60 is: 11,777.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,831.76 : 19,093.32 = 8,531.60 : x
  2. Step 2: Convert to fraction form
    13,831.76/19,093.32 = 8,531.60/x
  3. Step 3: Cross multiply
    13,831.76x = 19,093.32 × 8,531.60
  4. Step 4: Simplify right side
    13,831.76x = 162,896,568.91
  5. Step 5: Solve for x
    x = 162,896,568.91/13,831.76
  6. Step 6: Final answer
    x = 11,777.00

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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.