Home / 13,514.60-20,271.90-6,941.45

Finding the Fourth Proportional to 13,514.60, 20,271.90 and 6,941.45

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Solution

The fourth proportional to 13,514.60, 20,271.90 and 6,941.45 is: 10,412.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,514.60 : 20,271.90 = 6,941.45 : x
  2. Step 2: Convert to fraction form
    13,514.60/20,271.90 = 6,941.45/x
  3. Step 3: Cross multiply
    13,514.60x = 20,271.90 × 6,941.45
  4. Step 4: Simplify right side
    13,514.60x = 140,716,380.26
  5. Step 5: Solve for x
    x = 140,716,380.26/13,514.60
  6. Step 6: Final answer
    x = 10,412.18

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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.