Home / 21,496.32-29,664.90-12,064.89

Finding the Fourth Proportional to 21,496.32, 29,664.90 and 12,064.89

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Solution

The fourth proportional to 21,496.32, 29,664.90 and 12,064.89 is: 16,649.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,496.32 : 29,664.90 = 12,064.89 : x
  2. Step 2: Convert to fraction form
    21,496.32/29,664.90 = 12,064.89/x
  3. Step 3: Cross multiply
    21,496.32x = 29,664.90 × 12,064.89
  4. Step 4: Simplify right side
    21,496.32x = 357,903,755.36
  5. Step 5: Solve for x
    x = 357,903,755.36/21,496.32
  6. Step 6: Final answer
    x = 16,649.54

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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.