Home / 11,254.12-16,878.30-5,325.16

Finding the Fourth Proportional to 11,254.12, 16,878.30 and 5,325.16

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Solution

The fourth proportional to 11,254.12, 16,878.30 and 5,325.16 is: 7,986.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,254.12 : 16,878.30 = 5,325.16 : x
  2. Step 2: Convert to fraction form
    11,254.12/16,878.30 = 5,325.16/x
  3. Step 3: Cross multiply
    11,254.12x = 16,878.30 × 5,325.16
  4. Step 4: Simplify right side
    11,254.12x = 89,879,648.03
  5. Step 5: Solve for x
    x = 89,879,648.03/11,254.12
  6. Step 6: Final answer
    x = 7,986.38

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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.