Home / 14,245.72-21,365.62-4,884.76

Finding the Fourth Proportional to 14,245.72, 21,365.62 and 4,884.76

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Solution

The fourth proportional to 14,245.72, 21,365.62 and 4,884.76 is: 7,326.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,245.72 : 21,365.62 = 4,884.76 : x
  2. Step 2: Convert to fraction form
    14,245.72/21,365.62 = 4,884.76/x
  3. Step 3: Cross multiply
    14,245.72x = 21,365.62 × 4,884.76
  4. Step 4: Simplify right side
    14,245.72x = 104,365,925.95
  5. Step 5: Solve for x
    x = 104,365,925.95/14,245.72
  6. Step 6: Final answer
    x = 7,326.13

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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.