Home / 12,763.52-19,146.32-3,529.52

Finding the Fourth Proportional to 12,763.52, 19,146.32 and 3,529.52

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Solution

The fourth proportional to 12,763.52, 19,146.32 and 3,529.52 is: 5,294.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,763.52 : 19,146.32 = 3,529.52 : x
  2. Step 2: Convert to fraction form
    12,763.52/19,146.32 = 3,529.52/x
  3. Step 3: Cross multiply
    12,763.52x = 19,146.32 × 3,529.52
  4. Step 4: Simplify right side
    12,763.52x = 67,577,319.37
  5. Step 5: Solve for x
    x = 67,577,319.37/12,763.52
  6. Step 6: Final answer
    x = 5,294.57

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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.