Home / 13,900.59-20,857.41-6,496.02

Finding the Fourth Proportional to 13,900.59, 20,857.41 and 6,496.02

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Solution

The fourth proportional to 13,900.59, 20,857.41 and 6,496.02 is: 9,747.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,900.59 : 20,857.41 = 6,496.02 : x
  2. Step 2: Convert to fraction form
    13,900.59/20,857.41 = 6,496.02/x
  3. Step 3: Cross multiply
    13,900.59x = 20,857.41 × 6,496.02
  4. Step 4: Simplify right side
    13,900.59x = 135,490,152.51
  5. Step 5: Solve for x
    x = 135,490,152.51/13,900.59
  6. Step 6: Final answer
    x = 9,747.08

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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.