Home / 14,218.81-19,615.60-8,247.02

Finding the Fourth Proportional to 14,218.81, 19,615.60 and 8,247.02

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Solution

The fourth proportional to 14,218.81, 19,615.60 and 8,247.02 is: 11,377.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,218.81 : 19,615.60 = 8,247.02 : x
  2. Step 2: Convert to fraction form
    14,218.81/19,615.60 = 8,247.02/x
  3. Step 3: Cross multiply
    14,218.81x = 19,615.60 × 8,247.02
  4. Step 4: Simplify right side
    14,218.81x = 161,770,245.51
  5. Step 5: Solve for x
    x = 161,770,245.51/14,218.81
  6. Step 6: Final answer
    x = 11,377.20

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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.