Home / 13,656.43-20,484.75-4,296.22

Finding the Fourth Proportional to 13,656.43, 20,484.75 and 4,296.22

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Solution

The fourth proportional to 13,656.43, 20,484.75 and 4,296.22 is: 6,444.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,656.43 : 20,484.75 = 4,296.22 : x
  2. Step 2: Convert to fraction form
    13,656.43/20,484.75 = 4,296.22/x
  3. Step 3: Cross multiply
    13,656.43x = 20,484.75 × 4,296.22
  4. Step 4: Simplify right side
    13,656.43x = 88,006,992.65
  5. Step 5: Solve for x
    x = 88,006,992.65/13,656.43
  6. Step 6: Final answer
    x = 6,444.36

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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.