Home / 13,522.68-18,651.42-9,038.55

Finding the Fourth Proportional to 13,522.68, 18,651.42 and 9,038.55

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Solution

The fourth proportional to 13,522.68, 18,651.42 and 9,038.55 is: 12,466.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,522.68 : 18,651.42 = 9,038.55 : x
  2. Step 2: Convert to fraction form
    13,522.68/18,651.42 = 9,038.55/x
  3. Step 3: Cross multiply
    13,522.68x = 18,651.42 × 9,038.55
  4. Step 4: Simplify right side
    13,522.68x = 168,581,792.24
  5. Step 5: Solve for x
    x = 168,581,792.24/13,522.68
  6. Step 6: Final answer
    x = 12,466.60

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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.