Home / 13,717.27-18,929.51-7,667.14

Finding the Fourth Proportional to 13,717.27, 18,929.51 and 7,667.14

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Solution

The fourth proportional to 13,717.27, 18,929.51 and 7,667.14 is: 10,580.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,717.27 : 18,929.51 = 7,667.14 : x
  2. Step 2: Convert to fraction form
    13,717.27/18,929.51 = 7,667.14/x
  3. Step 3: Cross multiply
    13,717.27x = 18,929.51 × 7,667.14
  4. Step 4: Simplify right side
    13,717.27x = 145,135,272.53
  5. Step 5: Solve for x
    x = 145,135,272.53/13,717.27
  6. Step 6: Final answer
    x = 10,580.47

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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.