Home / 13,514.79-20,273.27-4,751.67

Finding the Fourth Proportional to 13,514.79, 20,273.27 and 4,751.67

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Solution

The fourth proportional to 13,514.79, 20,273.27 and 4,751.67 is: 7,127.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,514.79 : 20,273.27 = 4,751.67 : x
  2. Step 2: Convert to fraction form
    13,514.79/20,273.27 = 4,751.67/x
  3. Step 3: Cross multiply
    13,514.79x = 20,273.27 × 4,751.67
  4. Step 4: Simplify right side
    13,514.79x = 96,331,888.86
  5. Step 5: Solve for x
    x = 96,331,888.86/13,514.79
  6. Step 6: Final answer
    x = 7,127.89

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1.5x scale

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.