Home / 20,895.24-28,836.18-11,464.08

Finding the Fourth Proportional to 20,895.24, 28,836.18 and 11,464.08

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Solution

The fourth proportional to 20,895.24, 28,836.18 and 11,464.08 is: 15,820.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,895.24 : 28,836.18 = 11,464.08 : x
  2. Step 2: Convert to fraction form
    20,895.24/28,836.18 = 11,464.08/x
  3. Step 3: Cross multiply
    20,895.24x = 28,836.18 × 11,464.08
  4. Step 4: Simplify right side
    20,895.24x = 330,580,274.41
  5. Step 5: Solve for x
    x = 330,580,274.41/20,895.24
  6. Step 6: Final answer
    x = 15,820.84

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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.