Home / 13,526-18,666.12-7,936.88

Finding the Fourth Proportional to 13,526, 18,666.12 and 7,936.88

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Solution

The fourth proportional to 13,526, 18,666.12 and 7,936.88 is: 10,953.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,526 : 18,666.12 = 7,936.88 : x
  2. Step 2: Convert to fraction form
    13,526/18,666.12 = 7,936.88/x
  3. Step 3: Cross multiply
    13,526x = 18,666.12 × 7,936.88
  4. Step 4: Simplify right side
    13,526x = 148,150,754.51
  5. Step 5: Solve for x
    x = 148,150,754.51/13,526
  6. Step 6: Final answer
    x = 10,953.04

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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.