Home / 13,733.35-18,953.21-7,766.08

Finding the Fourth Proportional to 13,733.35, 18,953.21 and 7,766.08

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Solution

The fourth proportional to 13,733.35, 18,953.21 and 7,766.08 is: 10,717.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,733.35 : 18,953.21 = 7,766.08 : x
  2. Step 2: Convert to fraction form
    13,733.35/18,953.21 = 7,766.08/x
  3. Step 3: Cross multiply
    13,733.35x = 18,953.21 × 7,766.08
  4. Step 4: Simplify right side
    13,733.35x = 147,192,145.12
  5. Step 5: Solve for x
    x = 147,192,145.12/13,733.35
  6. Step 6: Final answer
    x = 10,717.86

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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.