Home / 15,831.40-23,745.04-4,145.52

Finding the Fourth Proportional to 15,831.40, 23,745.04 and 4,145.52

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Solution

The fourth proportional to 15,831.40, 23,745.04 and 4,145.52 is: 6,217.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,831.40 : 23,745.04 = 4,145.52 : x
  2. Step 2: Convert to fraction form
    15,831.40/23,745.04 = 4,145.52/x
  3. Step 3: Cross multiply
    15,831.40x = 23,745.04 × 4,145.52
  4. Step 4: Simplify right side
    15,831.40x = 98,435,538.22
  5. Step 5: Solve for x
    x = 98,435,538.22/15,831.40
  6. Step 6: Final answer
    x = 6,217.74

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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.