Home / 12,307.30-17,006.28-8,764.36

Finding the Fourth Proportional to 12,307.30, 17,006.28 and 8,764.36

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Solution

The fourth proportional to 12,307.30, 17,006.28 and 8,764.36 is: 12,110.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,307.30 : 17,006.28 = 8,764.36 : x
  2. Step 2: Convert to fraction form
    12,307.30/17,006.28 = 8,764.36/x
  3. Step 3: Cross multiply
    12,307.30x = 17,006.28 × 8,764.36
  4. Step 4: Simplify right side
    12,307.30x = 149,049,160.18
  5. Step 5: Solve for x
    x = 149,049,160.18/12,307.30
  6. Step 6: Final answer
    x = 12,110.63

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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.