Home / 13,508.51-20,262.74-3,647.77

Finding the Fourth Proportional to 13,508.51, 20,262.74 and 3,647.77

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Solution

The fourth proportional to 13,508.51, 20,262.74 and 3,647.77 is: 5,471.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,508.51 : 20,262.74 = 3,647.77 : x
  2. Step 2: Convert to fraction form
    13,508.51/20,262.74 = 3,647.77/x
  3. Step 3: Cross multiply
    13,508.51x = 20,262.74 × 3,647.77
  4. Step 4: Simplify right side
    13,508.51x = 73,913,746.19
  5. Step 5: Solve for x
    x = 73,913,746.19/13,508.51
  6. Step 6: Final answer
    x = 5,471.65

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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.