Home / 14,256-21,365.14-10,320.40

Finding the Fourth Proportional to 14,256, 21,365.14 and 10,320.40

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Solution

The fourth proportional to 14,256, 21,365.14 and 10,320.40 is: 15,466.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,256 : 21,365.14 = 10,320.40 : x
  2. Step 2: Convert to fraction form
    14,256/21,365.14 = 10,320.40/x
  3. Step 3: Cross multiply
    14,256x = 21,365.14 × 10,320.40
  4. Step 4: Simplify right side
    14,256x = 220,496,790.86
  5. Step 5: Solve for x
    x = 220,496,790.86/14,256
  6. Step 6: Final answer
    x = 15,466.95

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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.