Home / 13,256.97-19,881.25-4,489.83

Finding the Fourth Proportional to 13,256.97, 19,881.25 and 4,489.83

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Solution

The fourth proportional to 13,256.97, 19,881.25 and 4,489.83 is: 6,733.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.97 : 19,881.25 = 4,489.83 : x
  2. Step 2: Convert to fraction form
    13,256.97/19,881.25 = 4,489.83/x
  3. Step 3: Cross multiply
    13,256.97x = 19,881.25 × 4,489.83
  4. Step 4: Simplify right side
    13,256.97x = 89,263,421.46
  5. Step 5: Solve for x
    x = 89,263,421.46/13,256.97
  6. Step 6: Final answer
    x = 6,733.32

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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.