Home / 13,514.47-20,281.27-4,750.07

Finding the Fourth Proportional to 13,514.47, 20,281.27 and 4,750.07

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Solution

The fourth proportional to 13,514.47, 20,281.27 and 4,750.07 is: 7,128.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,514.47 : 20,281.27 = 4,750.07 : x
  2. Step 2: Convert to fraction form
    13,514.47/20,281.27 = 4,750.07/x
  3. Step 3: Cross multiply
    13,514.47x = 20,281.27 × 4,750.07
  4. Step 4: Simplify right side
    13,514.47x = 96,337,452.19
  5. Step 5: Solve for x
    x = 96,337,452.19/13,514.47
  6. Step 6: Final answer
    x = 7,128.47

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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.