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Finding the Fourth Proportional to 46,315.84, 69,473.84 and 11,255.52

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Solution

The fourth proportional to 46,315.84, 69,473.84 and 11,255.52 is: 16,883.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,315.84 : 69,473.84 = 11,255.52 : x
  2. Step 2: Convert to fraction form
    46,315.84/69,473.84 = 11,255.52/x
  3. Step 3: Cross multiply
    46,315.84x = 69,473.84 × 11,255.52
  4. Step 4: Simplify right side
    46,315.84x = 781,964,195.60
  5. Step 5: Solve for x
    x = 781,964,195.60/46,315.84
  6. Step 6: Final answer
    x = 16,883.30

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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.