Home / 11,235.63-16,853.45-3,840.16

Finding the Fourth Proportional to 11,235.63, 16,853.45 and 3,840.16

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Solution

The fourth proportional to 11,235.63, 16,853.45 and 3,840.16 is: 5,760.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,235.63 : 16,853.45 = 3,840.16 : x
  2. Step 2: Convert to fraction form
    11,235.63/16,853.45 = 3,840.16/x
  3. Step 3: Cross multiply
    11,235.63x = 16,853.45 × 3,840.16
  4. Step 4: Simplify right side
    11,235.63x = 64,719,944.55
  5. Step 5: Solve for x
    x = 64,719,944.55/11,235.63
  6. Step 6: Final answer
    x = 5,760.24

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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.