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Finding the Fourth Proportional to 13,377.40, 20,058.93 and 12,802.29

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Solution

The fourth proportional to 13,377.40, 20,058.93 and 12,802.29 is: 19,196.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,377.40 : 20,058.93 = 12,802.29 : x
  2. Step 2: Convert to fraction form
    13,377.40/20,058.93 = 12,802.29/x
  3. Step 3: Cross multiply
    13,377.40x = 20,058.93 × 12,802.29
  4. Step 4: Simplify right side
    13,377.40x = 256,800,163.73
  5. Step 5: Solve for x
    x = 256,800,163.73/13,377.40
  6. Step 6: Final answer
    x = 19,196.57

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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.