Home / 13,133.13-19,700.97-6,465.61

Finding the Fourth Proportional to 13,133.13, 19,700.97 and 6,465.61

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Solution

The fourth proportional to 13,133.13, 19,700.97 and 6,465.61 is: 9,699.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,133.13 : 19,700.97 = 6,465.61 : x
  2. Step 2: Convert to fraction form
    13,133.13/19,700.97 = 6,465.61/x
  3. Step 3: Cross multiply
    13,133.13x = 19,700.97 × 6,465.61
  4. Step 4: Simplify right side
    13,133.13x = 127,378,788.64
  5. Step 5: Solve for x
    x = 127,378,788.64/13,133.13
  6. Step 6: Final answer
    x = 9,699.04

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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.