Home / 11,832.64-16,328.28-7,119.52

Finding the Fourth Proportional to 11,832.64, 16,328.28 and 7,119.52

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Solution

The fourth proportional to 11,832.64, 16,328.28 and 7,119.52 is: 9,824.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,832.64 : 16,328.28 = 7,119.52 : x
  2. Step 2: Convert to fraction form
    11,832.64/16,328.28 = 7,119.52/x
  3. Step 3: Cross multiply
    11,832.64x = 16,328.28 × 7,119.52
  4. Step 4: Simplify right side
    11,832.64x = 116,249,516.03
  5. Step 5: Solve for x
    x = 116,249,516.03/11,832.64
  6. Step 6: Final answer
    x = 9,824.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.