Home / 14,330.40-21,495.60-10,831.20

Finding the Fourth Proportional to 14,330.40, 21,495.60 and 10,831.20

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Solution

The fourth proportional to 14,330.40, 21,495.60 and 10,831.20 is: 16,246.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,330.40 : 21,495.60 = 10,831.20 : x
  2. Step 2: Convert to fraction form
    14,330.40/21,495.60 = 10,831.20/x
  3. Step 3: Cross multiply
    14,330.40x = 21,495.60 × 10,831.20
  4. Step 4: Simplify right side
    14,330.40x = 232,823,142.72
  5. Step 5: Solve for x
    x = 232,823,142.72/14,330.40
  6. Step 6: Final answer
    x = 16,246.80

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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.