Home / 13,733.22-18,951.65-7,764.69

Finding the Fourth Proportional to 13,733.22, 18,951.65 and 7,764.69

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Solution

The fourth proportional to 13,733.22, 18,951.65 and 7,764.69 is: 10,715.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,733.22 : 18,951.65 = 7,764.69 : x
  2. Step 2: Convert to fraction form
    13,733.22/18,951.65 = 7,764.69/x
  3. Step 3: Cross multiply
    13,733.22x = 18,951.65 × 7,764.69
  4. Step 4: Simplify right side
    13,733.22x = 147,153,648.42
  5. Step 5: Solve for x
    x = 147,153,648.42/13,733.22
  6. Step 6: Final answer
    x = 10,715.16

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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.