Home / 13,876.96-20,818.50-6,477.37

Finding the Fourth Proportional to 13,876.96, 20,818.50 and 6,477.37

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Solution

The fourth proportional to 13,876.96, 20,818.50 and 6,477.37 is: 9,717.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,876.96 : 20,818.50 = 6,477.37 : x
  2. Step 2: Convert to fraction form
    13,876.96/20,818.50 = 6,477.37/x
  3. Step 3: Cross multiply
    13,876.96x = 20,818.50 × 6,477.37
  4. Step 4: Simplify right side
    13,876.96x = 134,849,203.68
  5. Step 5: Solve for x
    x = 134,849,203.68/13,876.96
  6. Step 6: Final answer
    x = 9,717.49

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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.