Home / 10,700.97-16,028.59-8,690.60

Finding the Fourth Proportional to 10,700.97, 16,028.59 and 8,690.60

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Solution

The fourth proportional to 10,700.97, 16,028.59 and 8,690.60 is: 13,017.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,700.97 : 16,028.59 = 8,690.60 : x
  2. Step 2: Convert to fraction form
    10,700.97/16,028.59 = 8,690.60/x
  3. Step 3: Cross multiply
    10,700.97x = 16,028.59 × 8,690.60
  4. Step 4: Simplify right side
    10,700.97x = 139,298,064.25
  5. Step 5: Solve for x
    x = 139,298,064.25/10,700.97
  6. Step 6: Final answer
    x = 13,017.33

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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.