Home / 14,347.11-21,519.28-4,985.67

Finding the Fourth Proportional to 14,347.11, 21,519.28 and 4,985.67

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Solution

The fourth proportional to 14,347.11, 21,519.28 and 4,985.67 is: 7,478.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,347.11 : 21,519.28 = 4,985.67 : x
  2. Step 2: Convert to fraction form
    14,347.11/21,519.28 = 4,985.67/x
  3. Step 3: Cross multiply
    14,347.11x = 21,519.28 × 4,985.67
  4. Step 4: Simplify right side
    14,347.11x = 107,288,028.72
  5. Step 5: Solve for x
    x = 107,288,028.72/14,347.11
  6. Step 6: Final answer
    x = 7,478.02

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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.