Home / 13,518.96-20,278.08-7,595.82

Finding the Fourth Proportional to 13,518.96, 20,278.08 and 7,595.82

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Solution

The fourth proportional to 13,518.96, 20,278.08 and 7,595.82 is: 11,393.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,518.96 : 20,278.08 = 7,595.82 : x
  2. Step 2: Convert to fraction form
    13,518.96/20,278.08 = 7,595.82/x
  3. Step 3: Cross multiply
    13,518.96x = 20,278.08 × 7,595.82
  4. Step 4: Simplify right side
    13,518.96x = 154,028,645.63
  5. Step 5: Solve for x
    x = 154,028,645.63/13,518.96
  6. Step 6: Final answer
    x = 11,393.53

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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.