Home / 11,319.64-16,862.75-10,975.72

Finding the Fourth Proportional to 11,319.64, 16,862.75 and 10,975.72

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Solution

The fourth proportional to 11,319.64, 16,862.75 and 10,975.72 is: 16,350.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,319.64 : 16,862.75 = 10,975.72 : x
  2. Step 2: Convert to fraction form
    11,319.64/16,862.75 = 10,975.72/x
  3. Step 3: Cross multiply
    11,319.64x = 16,862.75 × 10,975.72
  4. Step 4: Simplify right side
    11,319.64x = 185,080,822.43
  5. Step 5: Solve for x
    x = 185,080,822.43/11,319.64
  6. Step 6: Final answer
    x = 16,350.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.