Home / 13,491.03-18,616.74-7,522.35

Finding the Fourth Proportional to 13,491.03, 18,616.74 and 7,522.35

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Solution

The fourth proportional to 13,491.03, 18,616.74 and 7,522.35 is: 10,380.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,491.03 : 18,616.74 = 7,522.35 : x
  2. Step 2: Convert to fraction form
    13,491.03/18,616.74 = 7,522.35/x
  3. Step 3: Cross multiply
    13,491.03x = 18,616.74 × 7,522.35
  4. Step 4: Simplify right side
    13,491.03x = 140,041,634.14
  5. Step 5: Solve for x
    x = 140,041,634.14/13,491.03
  6. Step 6: Final answer
    x = 10,380.35

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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.