Home / 13,777.53-19,009.67-8,739.92

Finding the Fourth Proportional to 13,777.53, 19,009.67 and 8,739.92

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Solution

The fourth proportional to 13,777.53, 19,009.67 and 8,739.92 is: 12,058.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,777.53 : 19,009.67 = 8,739.92 : x
  2. Step 2: Convert to fraction form
    13,777.53/19,009.67 = 8,739.92/x
  3. Step 3: Cross multiply
    13,777.53x = 19,009.67 × 8,739.92
  4. Step 4: Simplify right side
    13,777.53x = 166,142,856.28
  5. Step 5: Solve for x
    x = 166,142,856.28/13,777.53
  6. Step 6: Final answer
    x = 12,058.97

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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.