Home / 13,663.17-20,495.97-5,872.59

Finding the Fourth Proportional to 13,663.17, 20,495.97 and 5,872.59

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Solution

The fourth proportional to 13,663.17, 20,495.97 and 5,872.59 is: 8,809.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,663.17 : 20,495.97 = 5,872.59 : x
  2. Step 2: Convert to fraction form
    13,663.17/20,495.97 = 5,872.59/x
  3. Step 3: Cross multiply
    13,663.17x = 20,495.97 × 5,872.59
  4. Step 4: Simplify right side
    13,663.17x = 120,364,428.46
  5. Step 5: Solve for x
    x = 120,364,428.46/13,663.17
  6. Step 6: Final answer
    x = 8,809.41

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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.