Home / 15,831.97-23,739.19-6,478.56

Finding the Fourth Proportional to 15,831.97, 23,739.19 and 6,478.56

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Solution

The fourth proportional to 15,831.97, 23,739.19 and 6,478.56 is: 9,714.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,831.97 : 23,739.19 = 6,478.56 : x
  2. Step 2: Convert to fraction form
    15,831.97/23,739.19 = 6,478.56/x
  3. Step 3: Cross multiply
    15,831.97x = 23,739.19 × 6,478.56
  4. Step 4: Simplify right side
    15,831.97x = 153,795,750.57
  5. Step 5: Solve for x
    x = 153,795,750.57/15,831.97
  6. Step 6: Final answer
    x = 9,714.25

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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.