Home / 10,564.71-15,831.42-4,317.18

Finding the Fourth Proportional to 10,564.71, 15,831.42 and 4,317.18

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Solution

The fourth proportional to 10,564.71, 15,831.42 and 4,317.18 is: 6,469.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,564.71 : 15,831.42 = 4,317.18 : x
  2. Step 2: Convert to fraction form
    10,564.71/15,831.42 = 4,317.18/x
  3. Step 3: Cross multiply
    10,564.71x = 15,831.42 × 4,317.18
  4. Step 4: Simplify right side
    10,564.71x = 68,347,089.80
  5. Step 5: Solve for x
    x = 68,347,089.80/10,564.71
  6. Step 6: Final answer
    x = 6,469.38

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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.