Home / 14,238.32-19,645.56-8,266.40

Finding the Fourth Proportional to 14,238.32, 19,645.56 and 8,266.40

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Solution

The fourth proportional to 14,238.32, 19,645.56 and 8,266.40 is: 11,405.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,238.32 : 19,645.56 = 8,266.40 : x
  2. Step 2: Convert to fraction form
    14,238.32/19,645.56 = 8,266.40/x
  3. Step 3: Cross multiply
    14,238.32x = 19,645.56 × 8,266.40
  4. Step 4: Simplify right side
    14,238.32x = 162,397,958.96
  5. Step 5: Solve for x
    x = 162,397,958.96/14,238.32
  6. Step 6: Final answer
    x = 11,405.69

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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.