Home / 14,449.12-21,667.20-5,087.20

Finding the Fourth Proportional to 14,449.12, 21,667.20 and 5,087.20

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Solution

The fourth proportional to 14,449.12, 21,667.20 and 5,087.20 is: 7,628.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,449.12 : 21,667.20 = 5,087.20 : x
  2. Step 2: Convert to fraction form
    14,449.12/21,667.20 = 5,087.20/x
  3. Step 3: Cross multiply
    14,449.12x = 21,667.20 × 5,087.20
  4. Step 4: Simplify right side
    14,449.12x = 110,225,379.84
  5. Step 5: Solve for x
    x = 110,225,379.84/14,449.12
  6. Step 6: Final answer
    x = 7,628.52

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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.