Home / 13,761.77-18,848.94-12,953.87

Finding the Fourth Proportional to 13,761.77, 18,848.94 and 12,953.87

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Solution

The fourth proportional to 13,761.77, 18,848.94 and 12,953.87 is: 17,742.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,761.77 : 18,848.94 = 12,953.87 : x
  2. Step 2: Convert to fraction form
    13,761.77/18,848.94 = 12,953.87/x
  3. Step 3: Cross multiply
    13,761.77x = 18,848.94 × 12,953.87
  4. Step 4: Simplify right side
    13,761.77x = 244,166,806.93
  5. Step 5: Solve for x
    x = 244,166,806.93/13,761.77
  6. Step 6: Final answer
    x = 17,742.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.