Home / 14,218.28-19,621.04-8,250.96

Finding the Fourth Proportional to 14,218.28, 19,621.04 and 8,250.96

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Solution

The fourth proportional to 14,218.28, 19,621.04 and 8,250.96 is: 11,386.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,218.28 : 19,621.04 = 8,250.96 : x
  2. Step 2: Convert to fraction form
    14,218.28/19,621.04 = 8,250.96/x
  3. Step 3: Cross multiply
    14,218.28x = 19,621.04 × 8,250.96
  4. Step 4: Simplify right side
    14,218.28x = 161,892,416.20
  5. Step 5: Solve for x
    x = 161,892,416.20/14,218.28
  6. Step 6: Final answer
    x = 11,386.22

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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.