Home / 11,945.55-17,925.53-4,159.83

Finding the Fourth Proportional to 11,945.55, 17,925.53 and 4,159.83

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Solution

The fourth proportional to 11,945.55, 17,925.53 and 4,159.83 is: 6,242.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,945.55 : 17,925.53 = 4,159.83 : x
  2. Step 2: Convert to fraction form
    11,945.55/17,925.53 = 4,159.83/x
  3. Step 3: Cross multiply
    11,945.55x = 17,925.53 × 4,159.83
  4. Step 4: Simplify right side
    11,945.55x = 74,567,157.46
  5. Step 5: Solve for x
    x = 74,567,157.46/11,945.55
  6. Step 6: Final answer
    x = 6,242.25

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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.