Home / 13,581.54-20,366.51-5,260.01

Finding the Fourth Proportional to 13,581.54, 20,366.51 and 5,260.01

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Solution

The fourth proportional to 13,581.54, 20,366.51 and 5,260.01 is: 7,887.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,581.54 : 20,366.51 = 5,260.01 : x
  2. Step 2: Convert to fraction form
    13,581.54/20,366.51 = 5,260.01/x
  3. Step 3: Cross multiply
    13,581.54x = 20,366.51 × 5,260.01
  4. Step 4: Simplify right side
    13,581.54x = 107,127,918.13
  5. Step 5: Solve for x
    x = 107,127,918.13/13,581.54
  6. Step 6: Final answer
    x = 7,887.76

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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.