Home / 23,999.55-33,118.74-13,388.91

Finding the Fourth Proportional to 23,999.55, 33,118.74 and 13,388.91

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Solution

The fourth proportional to 23,999.55, 33,118.74 and 13,388.91 is: 18,476.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,999.55 : 33,118.74 = 13,388.91 : x
  2. Step 2: Convert to fraction form
    23,999.55/33,118.74 = 13,388.91/x
  3. Step 3: Cross multiply
    23,999.55x = 33,118.74 × 13,388.91
  4. Step 4: Simplify right side
    23,999.55x = 443,423,829.17
  5. Step 5: Solve for x
    x = 443,423,829.17/23,999.55
  6. Step 6: Final answer
    x = 18,476.34

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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.