Home / 11,322.09-16,985.43-3,925.53

Finding the Fourth Proportional to 11,322.09, 16,985.43 and 3,925.53

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Solution

The fourth proportional to 11,322.09, 16,985.43 and 3,925.53 is: 5,889.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,322.09 : 16,985.43 = 3,925.53 : x
  2. Step 2: Convert to fraction form
    11,322.09/16,985.43 = 3,925.53/x
  3. Step 3: Cross multiply
    11,322.09x = 16,985.43 × 3,925.53
  4. Step 4: Simplify right side
    11,322.09x = 66,676,815.03
  5. Step 5: Solve for x
    x = 66,676,815.03/11,322.09
  6. Step 6: Final answer
    x = 5,889.09

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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.