Home / 12,795.06-17,656.91-8,761.77

Finding the Fourth Proportional to 12,795.06, 17,656.91 and 8,761.77

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Solution

The fourth proportional to 12,795.06, 17,656.91 and 8,761.77 is: 12,091.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,795.06 : 17,656.91 = 8,761.77 : x
  2. Step 2: Convert to fraction form
    12,795.06/17,656.91 = 8,761.77/x
  3. Step 3: Cross multiply
    12,795.06x = 17,656.91 × 8,761.77
  4. Step 4: Simplify right side
    12,795.06x = 154,705,798.02
  5. Step 5: Solve for x
    x = 154,705,798.02/12,795.06
  6. Step 6: Final answer
    x = 12,091.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.