Home / 13,020.46-19,492.29-8,074.18

Finding the Fourth Proportional to 13,020.46, 19,492.29 and 8,074.18

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Solution

The fourth proportional to 13,020.46, 19,492.29 and 8,074.18 is: 12,087.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,020.46 : 19,492.29 = 8,074.18 : x
  2. Step 2: Convert to fraction form
    13,020.46/19,492.29 = 8,074.18/x
  3. Step 3: Cross multiply
    13,020.46x = 19,492.29 × 8,074.18
  4. Step 4: Simplify right side
    13,020.46x = 157,384,258.07
  5. Step 5: Solve for x
    x = 157,384,258.07/13,020.46
  6. Step 6: Final answer
    x = 12,087.46

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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.