Home / 13,870.43-20,808.73-4,008.96

Finding the Fourth Proportional to 13,870.43, 20,808.73 and 4,008.96

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Solution

The fourth proportional to 13,870.43, 20,808.73 and 4,008.96 is: 6,014.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,870.43 : 20,808.73 = 4,008.96 : x
  2. Step 2: Convert to fraction form
    13,870.43/20,808.73 = 4,008.96/x
  3. Step 3: Cross multiply
    13,870.43x = 20,808.73 × 4,008.96
  4. Step 4: Simplify right side
    13,870.43x = 83,421,346.18
  5. Step 5: Solve for x
    x = 83,421,346.18/13,870.43
  6. Step 6: Final answer
    x = 6,014.33

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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.