Home / 14,218.56-19,621.17-7,845.30

Finding the Fourth Proportional to 14,218.56, 19,621.17 and 7,845.30

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Solution

The fourth proportional to 14,218.56, 19,621.17 and 7,845.30 is: 10,826.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,218.56 : 19,621.17 = 7,845.30 : x
  2. Step 2: Convert to fraction form
    14,218.56/19,621.17 = 7,845.30/x
  3. Step 3: Cross multiply
    14,218.56x = 19,621.17 × 7,845.30
  4. Step 4: Simplify right side
    14,218.56x = 153,933,965.00
  5. Step 5: Solve for x
    x = 153,933,965.00/14,218.56
  6. Step 6: Final answer
    x = 10,826.27

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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.