Home / 11,320.90-16,984.08-3,925.19

Finding the Fourth Proportional to 11,320.90, 16,984.08 and 3,925.19

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Solution

The fourth proportional to 11,320.90, 16,984.08 and 3,925.19 is: 5,888.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,320.90 : 16,984.08 = 3,925.19 : x
  2. Step 2: Convert to fraction form
    11,320.90/16,984.08 = 3,925.19/x
  3. Step 3: Cross multiply
    11,320.90x = 16,984.08 × 3,925.19
  4. Step 4: Simplify right side
    11,320.90x = 66,665,783.44
  5. Step 5: Solve for x
    x = 66,665,783.44/11,320.90
  6. Step 6: Final answer
    x = 5,888.74

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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.