Home / 13,986.42-20,984.04-6,590.58

Finding the Fourth Proportional to 13,986.42, 20,984.04 and 6,590.58

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Solution

The fourth proportional to 13,986.42, 20,984.04 and 6,590.58 is: 9,887.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,986.42 : 20,984.04 = 6,590.58 : x
  2. Step 2: Convert to fraction form
    13,986.42/20,984.04 = 6,590.58/x
  3. Step 3: Cross multiply
    13,986.42x = 20,984.04 × 6,590.58
  4. Step 4: Simplify right side
    13,986.42x = 138,296,994.34
  5. Step 5: Solve for x
    x = 138,296,994.34/13,986.42
  6. Step 6: Final answer
    x = 9,887.95

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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.