Home / 13,236.42-18,253.88-10,556.55

Finding the Fourth Proportional to 13,236.42, 18,253.88 and 10,556.55

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Solution

The fourth proportional to 13,236.42, 18,253.88 and 10,556.55 is: 14,558.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236.42 : 18,253.88 = 10,556.55 : x
  2. Step 2: Convert to fraction form
    13,236.42/18,253.88 = 10,556.55/x
  3. Step 3: Cross multiply
    13,236.42x = 18,253.88 × 10,556.55
  4. Step 4: Simplify right side
    13,236.42x = 192,697,996.91
  5. Step 5: Solve for x
    x = 192,697,996.91/13,236.42
  6. Step 6: Final answer
    x = 14,558.17

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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.