Home / 13,093.99-18,090.87-9,132.79

Finding the Fourth Proportional to 13,093.99, 18,090.87 and 9,132.79

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Solution

The fourth proportional to 13,093.99, 18,090.87 and 9,132.79 is: 12,618.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,093.99 : 18,090.87 = 9,132.79 : x
  2. Step 2: Convert to fraction form
    13,093.99/18,090.87 = 9,132.79/x
  3. Step 3: Cross multiply
    13,093.99x = 18,090.87 × 9,132.79
  4. Step 4: Simplify right side
    13,093.99x = 165,220,116.63
  5. Step 5: Solve for x
    x = 165,220,116.63/13,093.99
  6. Step 6: Final answer
    x = 12,618.01

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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.