Home / 13,495.93-18,616.58-8,114.62

Finding the Fourth Proportional to 13,495.93, 18,616.58 and 8,114.62

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Solution

The fourth proportional to 13,495.93, 18,616.58 and 8,114.62 is: 11,193.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,495.93 : 18,616.58 = 8,114.62 : x
  2. Step 2: Convert to fraction form
    13,495.93/18,616.58 = 8,114.62/x
  3. Step 3: Cross multiply
    13,495.93x = 18,616.58 × 8,114.62
  4. Step 4: Simplify right side
    13,495.93x = 151,066,562.22
  5. Step 5: Solve for x
    x = 151,066,562.22/13,495.93
  6. Step 6: Final answer
    x = 11,193.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.