Home / 13,733.55-18,949.95-7,763.85

Finding the Fourth Proportional to 13,733.55, 18,949.95 and 7,763.85

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Solution

The fourth proportional to 13,733.55, 18,949.95 and 7,763.85 is: 10,712.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,733.55 : 18,949.95 = 7,763.85 : x
  2. Step 2: Convert to fraction form
    13,733.55/18,949.95 = 7,763.85/x
  3. Step 3: Cross multiply
    13,733.55x = 18,949.95 × 7,763.85
  4. Step 4: Simplify right side
    13,733.55x = 147,124,569.31
  5. Step 5: Solve for x
    x = 147,124,569.31/13,733.55
  6. Step 6: Final answer
    x = 10,712.79

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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.