Home / 13,190.84-18,204.83-7,526.99

Finding the Fourth Proportional to 13,190.84, 18,204.83 and 7,526.99

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Solution

The fourth proportional to 13,190.84, 18,204.83 and 7,526.99 is: 10,388.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,190.84 : 18,204.83 = 7,526.99 : x
  2. Step 2: Convert to fraction form
    13,190.84/18,204.83 = 7,526.99/x
  3. Step 3: Cross multiply
    13,190.84x = 18,204.83 × 7,526.99
  4. Step 4: Simplify right side
    13,190.84x = 137,027,573.36
  5. Step 5: Solve for x
    x = 137,027,573.36/13,190.84
  6. Step 6: Final answer
    x = 10,388.09

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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.