Home / 14,370.79-19,831.69-8,401.27

Finding the Fourth Proportional to 14,370.79, 19,831.69 and 8,401.27

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Solution

The fourth proportional to 14,370.79, 19,831.69 and 8,401.27 is: 11,593.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,370.79 : 19,831.69 = 8,401.27 : x
  2. Step 2: Convert to fraction form
    14,370.79/19,831.69 = 8,401.27/x
  3. Step 3: Cross multiply
    14,370.79x = 19,831.69 × 8,401.27
  4. Step 4: Simplify right side
    14,370.79x = 166,611,333.10
  5. Step 5: Solve for x
    x = 166,611,333.10/14,370.79
  6. Step 6: Final answer
    x = 11,593.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.