Home / 18,743.93-28,101.84-11,346.60

Finding the Fourth Proportional to 18,743.93, 28,101.84 and 11,346.60

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Solution

The fourth proportional to 18,743.93, 28,101.84 and 11,346.60 is: 17,011.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,743.93 : 28,101.84 = 11,346.60 : x
  2. Step 2: Convert to fraction form
    18,743.93/28,101.84 = 11,346.60/x
  3. Step 3: Cross multiply
    18,743.93x = 28,101.84 × 11,346.60
  4. Step 4: Simplify right side
    18,743.93x = 318,860,337.74
  5. Step 5: Solve for x
    x = 318,860,337.74/18,743.93
  6. Step 6: Final answer
    x = 17,011.40

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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.