Home / 15,163.56-20,774.15-14,595.39

Finding the Fourth Proportional to 15,163.56, 20,774.15 and 14,595.39

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Solution

The fourth proportional to 15,163.56, 20,774.15 and 14,595.39 is: 19,995.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,163.56 : 20,774.15 = 14,595.39 : x
  2. Step 2: Convert to fraction form
    15,163.56/20,774.15 = 14,595.39/x
  3. Step 3: Cross multiply
    15,163.56x = 20,774.15 × 14,595.39
  4. Step 4: Simplify right side
    15,163.56x = 303,206,821.17
  5. Step 5: Solve for x
    x = 303,206,821.17/15,163.56
  6. Step 6: Final answer
    x = 19,995.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.