Home / 12,763.45-19,146.54-5,368.66

Finding the Fourth Proportional to 12,763.45, 19,146.54 and 5,368.66

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Solution

The fourth proportional to 12,763.45, 19,146.54 and 5,368.66 is: 8,053.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,763.45 : 19,146.54 = 5,368.66 : x
  2. Step 2: Convert to fraction form
    12,763.45/19,146.54 = 5,368.66/x
  3. Step 3: Cross multiply
    12,763.45x = 19,146.54 × 5,368.66
  4. Step 4: Simplify right side
    12,763.45x = 102,791,263.44
  5. Step 5: Solve for x
    x = 102,791,263.44/12,763.45
  6. Step 6: Final answer
    x = 8,053.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.