Home / 21,845.89-32,801.63-12,496.46

Finding the Fourth Proportional to 21,845.89, 32,801.63 and 12,496.46

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Solution

The fourth proportional to 21,845.89, 32,801.63 and 12,496.46 is: 18,763.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,845.89 : 32,801.63 = 12,496.46 : x
  2. Step 2: Convert to fraction form
    21,845.89/32,801.63 = 12,496.46/x
  3. Step 3: Cross multiply
    21,845.89x = 32,801.63 × 12,496.46
  4. Step 4: Simplify right side
    21,845.89x = 409,904,370.48
  5. Step 5: Solve for x
    x = 409,904,370.48/21,845.89
  6. Step 6: Final answer
    x = 18,763.46

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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.