Home / 13,645.16-18,748.72-10,845.80

Finding the Fourth Proportional to 13,645.16, 18,748.72 and 10,845.80

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Solution

The fourth proportional to 13,645.16, 18,748.72 and 10,845.80 is: 14,902.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,645.16 : 18,748.72 = 10,845.80 : x
  2. Step 2: Convert to fraction form
    13,645.16/18,748.72 = 10,845.80/x
  3. Step 3: Cross multiply
    13,645.16x = 18,748.72 × 10,845.80
  4. Step 4: Simplify right side
    13,645.16x = 203,344,867.38
  5. Step 5: Solve for x
    x = 203,344,867.38/13,645.16
  6. Step 6: Final answer
    x = 14,902.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.