Home / 13,254.42-18,290.22-7,589.22

Finding the Fourth Proportional to 13,254.42, 18,290.22 and 7,589.22

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Solution

The fourth proportional to 13,254.42, 18,290.22 and 7,589.22 is: 10,472.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,254.42 : 18,290.22 = 7,589.22 : x
  2. Step 2: Convert to fraction form
    13,254.42/18,290.22 = 7,589.22/x
  3. Step 3: Cross multiply
    13,254.42x = 18,290.22 × 7,589.22
  4. Step 4: Simplify right side
    13,254.42x = 138,808,503.43
  5. Step 5: Solve for x
    x = 138,808,503.43/13,254.42
  6. Step 6: Final answer
    x = 10,472.62

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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.