Home / 13,881.56-20,818.42-4,995.59

Finding the Fourth Proportional to 13,881.56, 20,818.42 and 4,995.59

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Solution

The fourth proportional to 13,881.56, 20,818.42 and 4,995.59 is: 7,491.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,881.56 : 20,818.42 = 4,995.59 : x
  2. Step 2: Convert to fraction form
    13,881.56/20,818.42 = 4,995.59/x
  3. Step 3: Cross multiply
    13,881.56x = 20,818.42 × 4,995.59
  4. Step 4: Simplify right side
    13,881.56x = 104,000,290.77
  5. Step 5: Solve for x
    x = 104,000,290.77/13,881.56
  6. Step 6: Final answer
    x = 7,491.97

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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.