Home / 14,230.58-19,638.13-8,263.72

Finding the Fourth Proportional to 14,230.58, 19,638.13 and 8,263.72

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Solution

The fourth proportional to 14,230.58, 19,638.13 and 8,263.72 is: 11,403.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,230.58 : 19,638.13 = 8,263.72 : x
  2. Step 2: Convert to fraction form
    14,230.58/19,638.13 = 8,263.72/x
  3. Step 3: Cross multiply
    14,230.58x = 19,638.13 × 8,263.72
  4. Step 4: Simplify right side
    14,230.58x = 162,283,868.13
  5. Step 5: Solve for x
    x = 162,283,868.13/14,230.58
  6. Step 6: Final answer
    x = 11,403.88

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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.