Home / 13,997.21-19,307.06-8,953.44

Finding the Fourth Proportional to 13,997.21, 19,307.06 and 8,953.44

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Solution

The fourth proportional to 13,997.21, 19,307.06 and 8,953.44 is: 12,349.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,997.21 : 19,307.06 = 8,953.44 : x
  2. Step 2: Convert to fraction form
    13,997.21/19,307.06 = 8,953.44/x
  3. Step 3: Cross multiply
    13,997.21x = 19,307.06 × 8,953.44
  4. Step 4: Simplify right side
    13,997.21x = 172,864,519.69
  5. Step 5: Solve for x
    x = 172,864,519.69/13,997.21
  6. Step 6: Final answer
    x = 12,349.93

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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.