Home / 13,111.44-19,659.55-8,956.46

Finding the Fourth Proportional to 13,111.44, 19,659.55 and 8,956.46

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Solution

The fourth proportional to 13,111.44, 19,659.55 and 8,956.46 is: 13,429.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,111.44 : 19,659.55 = 8,956.46 : x
  2. Step 2: Convert to fraction form
    13,111.44/19,659.55 = 8,956.46/x
  3. Step 3: Cross multiply
    13,111.44x = 19,659.55 × 8,956.46
  4. Step 4: Simplify right side
    13,111.44x = 176,079,973.19
  5. Step 5: Solve for x
    x = 176,079,973.19/13,111.44
  6. Step 6: Final answer
    x = 13,429.49

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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.