Home / 13,584.77-20,384.51-5,687.98

Finding the Fourth Proportional to 13,584.77, 20,384.51 and 5,687.98

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Solution

The fourth proportional to 13,584.77, 20,384.51 and 5,687.98 is: 8,535.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,584.77 : 20,384.51 = 5,687.98 : x
  2. Step 2: Convert to fraction form
    13,584.77/20,384.51 = 5,687.98/x
  3. Step 3: Cross multiply
    13,584.77x = 20,384.51 × 5,687.98
  4. Step 4: Simplify right side
    13,584.77x = 115,946,656.75
  5. Step 5: Solve for x
    x = 115,946,656.75/13,584.77
  6. Step 6: Final answer
    x = 8,535.05

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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.