Home / 14,250.44-19,660.80-8,277.20

Finding the Fourth Proportional to 14,250.44, 19,660.80 and 8,277.20

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Solution

The fourth proportional to 14,250.44, 19,660.80 and 8,277.20 is: 11,419.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,250.44 : 19,660.80 = 8,277.20 : x
  2. Step 2: Convert to fraction form
    14,250.44/19,660.80 = 8,277.20/x
  3. Step 3: Cross multiply
    14,250.44x = 19,660.80 × 8,277.20
  4. Step 4: Simplify right side
    14,250.44x = 162,736,373.76
  5. Step 5: Solve for x
    x = 162,736,373.76/14,250.44
  6. Step 6: Final answer
    x = 11,419.74

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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.