Home / 13,614.41-18,788.15-7,645.93

Finding the Fourth Proportional to 13,614.41, 18,788.15 and 7,645.93

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Solution

The fourth proportional to 13,614.41, 18,788.15 and 7,645.93 is: 10,551.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614.41 : 18,788.15 = 7,645.93 : x
  2. Step 2: Convert to fraction form
    13,614.41/18,788.15 = 7,645.93/x
  3. Step 3: Cross multiply
    13,614.41x = 18,788.15 × 7,645.93
  4. Step 4: Simplify right side
    13,614.41x = 143,652,851.87
  5. Step 5: Solve for x
    x = 143,652,851.87/13,614.41
  6. Step 6: Final answer
    x = 10,551.53

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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.