Home / 13,266.57-19,887.40-4,495.29

Finding the Fourth Proportional to 13,266.57, 19,887.40 and 4,495.29

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Solution

The fourth proportional to 13,266.57, 19,887.40 and 4,495.29 is: 6,738.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,266.57 : 19,887.40 = 4,495.29 : x
  2. Step 2: Convert to fraction form
    13,266.57/19,887.40 = 4,495.29/x
  3. Step 3: Cross multiply
    13,266.57x = 19,887.40 × 4,495.29
  4. Step 4: Simplify right side
    13,266.57x = 89,399,630.35
  5. Step 5: Solve for x
    x = 89,399,630.35/13,266.57
  6. Step 6: Final answer
    x = 6,738.71

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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.