Home / 10,894.12-16,319.78-7,185.04

Finding the Fourth Proportional to 10,894.12, 16,319.78 and 7,185.04

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Solution

The fourth proportional to 10,894.12, 16,319.78 and 7,185.04 is: 10,763.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,894.12 : 16,319.78 = 7,185.04 : x
  2. Step 2: Convert to fraction form
    10,894.12/16,319.78 = 7,185.04/x
  3. Step 3: Cross multiply
    10,894.12x = 16,319.78 × 7,185.04
  4. Step 4: Simplify right side
    10,894.12x = 117,258,272.09
  5. Step 5: Solve for x
    x = 117,258,272.09/10,894.12
  6. Step 6: Final answer
    x = 10,763.45

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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.