Home / 13,345.83-20,026.98-6,776.73

Finding the Fourth Proportional to 13,345.83, 20,026.98 and 6,776.73

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Solution

The fourth proportional to 13,345.83, 20,026.98 and 6,776.73 is: 10,169.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,345.83 : 20,026.98 = 6,776.73 : x
  2. Step 2: Convert to fraction form
    13,345.83/20,026.98 = 6,776.73/x
  3. Step 3: Cross multiply
    13,345.83x = 20,026.98 × 6,776.73
  4. Step 4: Simplify right side
    13,345.83x = 135,717,436.18
  5. Step 5: Solve for x
    x = 135,717,436.18/13,345.83
  6. Step 6: Final answer
    x = 10,169.28

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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.