Home / 14,997.41-20,685.24-13,297.91

Finding the Fourth Proportional to 14,997.41, 20,685.24 and 13,297.91

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Solution

The fourth proportional to 14,997.41, 20,685.24 and 13,297.91 is: 18,341.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,997.41 : 20,685.24 = 13,297.91 : x
  2. Step 2: Convert to fraction form
    14,997.41/20,685.24 = 13,297.91/x
  3. Step 3: Cross multiply
    14,997.41x = 20,685.24 × 13,297.91
  4. Step 4: Simplify right side
    14,997.41x = 275,070,459.85
  5. Step 5: Solve for x
    x = 275,070,459.85/14,997.41
  6. Step 6: Final answer
    x = 18,341.20

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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.