Home / 21,560.05-29,741.98-12,601.70

Finding the Fourth Proportional to 21,560.05, 29,741.98 and 12,601.70

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Solution

The fourth proportional to 21,560.05, 29,741.98 and 12,601.70 is: 17,383.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,560.05 : 29,741.98 = 12,601.70 : x
  2. Step 2: Convert to fraction form
    21,560.05/29,741.98 = 12,601.70/x
  3. Step 3: Cross multiply
    21,560.05x = 29,741.98 × 12,601.70
  4. Step 4: Simplify right side
    21,560.05x = 374,799,297.65
  5. Step 5: Solve for x
    x = 374,799,297.65/21,560.05
  6. Step 6: Final answer
    x = 17,383.98

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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.