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Finding the Fourth Proportional to 16,104.01, 22,220 and 15,573.06

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Solution

The fourth proportional to 16,104.01, 22,220 and 15,573.06 is: 21,487.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,104.01 : 22,220 = 15,573.06 : x
  2. Step 2: Convert to fraction form
    16,104.01/22,220 = 15,573.06/x
  3. Step 3: Cross multiply
    16,104.01x = 22,220 × 15,573.06
  4. Step 4: Simplify right side
    16,104.01x = 346,033,393.20
  5. Step 5: Solve for x
    x = 346,033,393.20/16,104.01
  6. Step 6: Final answer
    x = 21,487.41

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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.