Home / 13,236.35-18,282.44-9,894.08

Finding the Fourth Proportional to 13,236.35, 18,282.44 and 9,894.08

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Solution

The fourth proportional to 13,236.35, 18,282.44 and 9,894.08 is: 13,666.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236.35 : 18,282.44 = 9,894.08 : x
  2. Step 2: Convert to fraction form
    13,236.35/18,282.44 = 9,894.08/x
  3. Step 3: Cross multiply
    13,236.35x = 18,282.44 × 9,894.08
  4. Step 4: Simplify right side
    13,236.35x = 180,888,003.02
  5. Step 5: Solve for x
    x = 180,888,003.02/13,236.35
  6. Step 6: Final answer
    x = 13,666.01

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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.