Home / 14,275.56-21,401.03-6,869.84

Finding the Fourth Proportional to 14,275.56, 21,401.03 and 6,869.84

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Solution

The fourth proportional to 14,275.56, 21,401.03 and 6,869.84 is: 10,298.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,275.56 : 21,401.03 = 6,869.84 : x
  2. Step 2: Convert to fraction form
    14,275.56/21,401.03 = 6,869.84/x
  3. Step 3: Cross multiply
    14,275.56x = 21,401.03 × 6,869.84
  4. Step 4: Simplify right side
    14,275.56x = 147,021,562.10
  5. Step 5: Solve for x
    x = 147,021,562.10/14,275.56
  6. Step 6: Final answer
    x = 10,298.83

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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.