Home / 13,303.28-19,961.66-8,863.98

Finding the Fourth Proportional to 13,303.28, 19,961.66 and 8,863.98

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Solution

The fourth proportional to 13,303.28, 19,961.66 and 8,863.98 is: 13,300.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303.28 : 19,961.66 = 8,863.98 : x
  2. Step 2: Convert to fraction form
    13,303.28/19,961.66 = 8,863.98/x
  3. Step 3: Cross multiply
    13,303.28x = 19,961.66 × 8,863.98
  4. Step 4: Simplify right side
    13,303.28x = 176,939,755.01
  5. Step 5: Solve for x
    x = 176,939,755.01/13,303.28
  6. Step 6: Final answer
    x = 13,300.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.