Home / 13,596.37-18,763.17-8,218.07

Finding the Fourth Proportional to 13,596.37, 18,763.17 and 8,218.07

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Solution

The fourth proportional to 13,596.37, 18,763.17 and 8,218.07 is: 11,341.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,596.37 : 18,763.17 = 8,218.07 : x
  2. Step 2: Convert to fraction form
    13,596.37/18,763.17 = 8,218.07/x
  3. Step 3: Cross multiply
    13,596.37x = 18,763.17 × 8,218.07
  4. Step 4: Simplify right side
    13,596.37x = 154,197,044.48
  5. Step 5: Solve for x
    x = 154,197,044.48/13,596.37
  6. Step 6: Final answer
    x = 11,341.05

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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.