Home / 14,742.40-22,117.01-4,212.56

Finding the Fourth Proportional to 14,742.40, 22,117.01 and 4,212.56

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Solution

The fourth proportional to 14,742.40, 22,117.01 and 4,212.56 is: 6,319.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,742.40 : 22,117.01 = 4,212.56 : x
  2. Step 2: Convert to fraction form
    14,742.40/22,117.01 = 4,212.56/x
  3. Step 3: Cross multiply
    14,742.40x = 22,117.01 × 4,212.56
  4. Step 4: Simplify right side
    14,742.40x = 93,169,131.59
  5. Step 5: Solve for x
    x = 93,169,131.59/14,742.40
  6. Step 6: Final answer
    x = 6,319.81

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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.