Home / 13,637.43-18,819.53-7,669.14

Finding the Fourth Proportional to 13,637.43, 18,819.53 and 7,669.14

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Solution

The fourth proportional to 13,637.43, 18,819.53 and 7,669.14 is: 10,583.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,637.43 : 18,819.53 = 7,669.14 : x
  2. Step 2: Convert to fraction form
    13,637.43/18,819.53 = 7,669.14/x
  3. Step 3: Cross multiply
    13,637.43x = 18,819.53 × 7,669.14
  4. Step 4: Simplify right side
    13,637.43x = 144,329,610.30
  5. Step 5: Solve for x
    x = 144,329,610.30/13,637.43
  6. Step 6: Final answer
    x = 10,583.34

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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.