Home / 14,743.50-20,346.03-8,119.50

Finding the Fourth Proportional to 14,743.50, 20,346.03 and 8,119.50

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Solution

The fourth proportional to 14,743.50, 20,346.03 and 8,119.50 is: 11,204.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,743.50 : 20,346.03 = 8,119.50 : x
  2. Step 2: Convert to fraction form
    14,743.50/20,346.03 = 8,119.50/x
  3. Step 3: Cross multiply
    14,743.50x = 20,346.03 × 8,119.50
  4. Step 4: Simplify right side
    14,743.50x = 165,199,590.59
  5. Step 5: Solve for x
    x = 165,199,590.59/14,743.50
  6. Step 6: Final answer
    x = 11,204.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.