Home / 13,042.06-19,564.19-4,158.66

Finding the Fourth Proportional to 13,042.06, 19,564.19 and 4,158.66

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Solution

The fourth proportional to 13,042.06, 19,564.19 and 4,158.66 is: 6,238.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,042.06 : 19,564.19 = 4,158.66 : x
  2. Step 2: Convert to fraction form
    13,042.06/19,564.19 = 4,158.66/x
  3. Step 3: Cross multiply
    13,042.06x = 19,564.19 × 4,158.66
  4. Step 4: Simplify right side
    13,042.06x = 81,360,814.39
  5. Step 5: Solve for x
    x = 81,360,814.39/13,042.06
  6. Step 6: Final answer
    x = 6,238.34

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1.5x scale

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.