Home / 12,523.59-18,782.34-4,201.45

Finding the Fourth Proportional to 12,523.59, 18,782.34 and 4,201.45

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Solution

The fourth proportional to 12,523.59, 18,782.34 and 4,201.45 is: 6,301.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,523.59 : 18,782.34 = 4,201.45 : x
  2. Step 2: Convert to fraction form
    12,523.59/18,782.34 = 4,201.45/x
  3. Step 3: Cross multiply
    12,523.59x = 18,782.34 × 4,201.45
  4. Step 4: Simplify right side
    12,523.59x = 78,913,062.39
  5. Step 5: Solve for x
    x = 78,913,062.39/12,523.59
  6. Step 6: Final answer
    x = 6,301.15

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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.