Home / 21,253.66-29,336.23-14,180.07

Finding the Fourth Proportional to 21,253.66, 29,336.23 and 14,180.07

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Solution

The fourth proportional to 21,253.66, 29,336.23 and 14,180.07 is: 19,572.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,253.66 : 29,336.23 = 14,180.07 : x
  2. Step 2: Convert to fraction form
    21,253.66/29,336.23 = 14,180.07/x
  3. Step 3: Cross multiply
    21,253.66x = 29,336.23 × 14,180.07
  4. Step 4: Simplify right side
    21,253.66x = 415,989,794.94
  5. Step 5: Solve for x
    x = 415,989,794.94/21,253.66
  6. Step 6: Final answer
    x = 19,572.62

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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.