Home / 12,427.59-18,635.49-4,524.51

Finding the Fourth Proportional to 12,427.59, 18,635.49 and 4,524.51

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Solution

The fourth proportional to 12,427.59, 18,635.49 and 4,524.51 is: 6,784.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,427.59 : 18,635.49 = 4,524.51 : x
  2. Step 2: Convert to fraction form
    12,427.59/18,635.49 = 4,524.51/x
  3. Step 3: Cross multiply
    12,427.59x = 18,635.49 × 4,524.51
  4. Step 4: Simplify right side
    12,427.59x = 84,316,460.86
  5. Step 5: Solve for x
    x = 84,316,460.86/12,427.59
  6. Step 6: Final answer
    x = 6,784.62

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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.