Home / 18,831.59-28,247.58-5,684.07

Finding the Fourth Proportional to 18,831.59, 28,247.58 and 5,684.07

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Solution

The fourth proportional to 18,831.59, 28,247.58 and 5,684.07 is: 8,526.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,831.59 : 28,247.58 = 5,684.07 : x
  2. Step 2: Convert to fraction form
    18,831.59/28,247.58 = 5,684.07/x
  3. Step 3: Cross multiply
    18,831.59x = 28,247.58 × 5,684.07
  4. Step 4: Simplify right side
    18,831.59x = 160,561,222.05
  5. Step 5: Solve for x
    x = 160,561,222.05/18,831.59
  6. Step 6: Final answer
    x = 8,526.16

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1.5x scale

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.