Home / 13,237.60-19,859.28-3,877.84

Finding the Fourth Proportional to 13,237.60, 19,859.28 and 3,877.84

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Solution

The fourth proportional to 13,237.60, 19,859.28 and 3,877.84 is: 5,817.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237.60 : 19,859.28 = 3,877.84 : x
  2. Step 2: Convert to fraction form
    13,237.60/19,859.28 = 3,877.84/x
  3. Step 3: Cross multiply
    13,237.60x = 19,859.28 × 3,877.84
  4. Step 4: Simplify right side
    13,237.60x = 77,011,110.36
  5. Step 5: Solve for x
    x = 77,011,110.36/13,237.60
  6. Step 6: Final answer
    x = 5,817.60

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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.