Home / 30,873.28-46,314.84-11,156.72

Finding the Fourth Proportional to 30,873.28, 46,314.84 and 11,156.72

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Solution

The fourth proportional to 30,873.28, 46,314.84 and 11,156.72 is: 16,736.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,873.28 : 46,314.84 = 11,156.72 : x
  2. Step 2: Convert to fraction form
    30,873.28/46,314.84 = 11,156.72/x
  3. Step 3: Cross multiply
    30,873.28x = 46,314.84 × 11,156.72
  4. Step 4: Simplify right side
    30,873.28x = 516,721,701.72
  5. Step 5: Solve for x
    x = 516,721,701.72/30,873.28
  6. Step 6: Final answer
    x = 16,736.86

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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.