Home / 18,831.15-28,246.93-5,683.64

Finding the Fourth Proportional to 18,831.15, 28,246.93 and 5,683.64

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Solution

The fourth proportional to 18,831.15, 28,246.93 and 5,683.64 is: 8,525.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,831.15 : 28,246.93 = 5,683.64 : x
  2. Step 2: Convert to fraction form
    18,831.15/28,246.93 = 5,683.64/x
  3. Step 3: Cross multiply
    18,831.15x = 28,246.93 × 5,683.64
  4. Step 4: Simplify right side
    18,831.15x = 160,545,381.23
  5. Step 5: Solve for x
    x = 160,545,381.23/18,831.15
  6. Step 6: Final answer
    x = 8,525.52

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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.