Home / 13,237.64-19,859.50-3,877.44

Finding the Fourth Proportional to 13,237.64, 19,859.50 and 3,877.44

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Solution

The fourth proportional to 13,237.64, 19,859.50 and 3,877.44 is: 5,817.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237.64 : 19,859.50 = 3,877.44 : x
  2. Step 2: Convert to fraction form
    13,237.64/19,859.50 = 3,877.44/x
  3. Step 3: Cross multiply
    13,237.64x = 19,859.50 × 3,877.44
  4. Step 4: Simplify right side
    13,237.64x = 77,004,019.68
  5. Step 5: Solve for x
    x = 77,004,019.68/13,237.64
  6. Step 6: Final answer
    x = 5,817.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.