Home / 13,320.54-18,383.55-8,014.50

Finding the Fourth Proportional to 13,320.54, 18,383.55 and 8,014.50

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Solution

The fourth proportional to 13,320.54, 18,383.55 and 8,014.50 is: 11,060.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,320.54 : 18,383.55 = 8,014.50 : x
  2. Step 2: Convert to fraction form
    13,320.54/18,383.55 = 8,014.50/x
  3. Step 3: Cross multiply
    13,320.54x = 18,383.55 × 8,014.50
  4. Step 4: Simplify right side
    13,320.54x = 147,334,961.48
  5. Step 5: Solve for x
    x = 147,334,961.48/13,320.54
  6. Step 6: Final answer
    x = 11,060.73

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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.