Home / 13,453.74-18,566.60-7,404.22

Finding the Fourth Proportional to 13,453.74, 18,566.60 and 7,404.22

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Solution

The fourth proportional to 13,453.74, 18,566.60 and 7,404.22 is: 10,218.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,453.74 : 18,566.60 = 7,404.22 : x
  2. Step 2: Convert to fraction form
    13,453.74/18,566.60 = 7,404.22/x
  3. Step 3: Cross multiply
    13,453.74x = 18,566.60 × 7,404.22
  4. Step 4: Simplify right side
    13,453.74x = 137,471,191.05
  5. Step 5: Solve for x
    x = 137,471,191.05/13,453.74
  6. Step 6: Final answer
    x = 10,218.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.