Home / 14,958.36-20,643.72-8,245.18

Finding the Fourth Proportional to 14,958.36, 20,643.72 and 8,245.18

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Solution

The fourth proportional to 14,958.36, 20,643.72 and 8,245.18 is: 11,379.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,958.36 : 20,643.72 = 8,245.18 : x
  2. Step 2: Convert to fraction form
    14,958.36/20,643.72 = 8,245.18/x
  3. Step 3: Cross multiply
    14,958.36x = 20,643.72 × 8,245.18
  4. Step 4: Simplify right side
    14,958.36x = 170,211,211.10
  5. Step 5: Solve for x
    x = 170,211,211.10/14,958.36
  6. Step 6: Final answer
    x = 11,379.00

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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.