Home / 13,508.51-20,260.94-5,719.14

Finding the Fourth Proportional to 13,508.51, 20,260.94 and 5,719.14

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Solution

The fourth proportional to 13,508.51, 20,260.94 and 5,719.14 is: 8,577.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,508.51 : 20,260.94 = 5,719.14 : x
  2. Step 2: Convert to fraction form
    13,508.51/20,260.94 = 5,719.14/x
  3. Step 3: Cross multiply
    13,508.51x = 20,260.94 × 5,719.14
  4. Step 4: Simplify right side
    13,508.51x = 115,875,123.80
  5. Step 5: Solve for x
    x = 115,875,123.80/13,508.51
  6. Step 6: Final answer
    x = 8,577.94

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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.