Home / 46,471.54-69,696.86-13,190.90

Finding the Fourth Proportional to 46,471.54, 69,696.86 and 13,190.90

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Solution

The fourth proportional to 46,471.54, 69,696.86 and 13,190.90 is: 19,783.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,471.54 : 69,696.86 = 13,190.90 : x
  2. Step 2: Convert to fraction form
    46,471.54/69,696.86 = 13,190.90/x
  3. Step 3: Cross multiply
    46,471.54x = 69,696.86 × 13,190.90
  4. Step 4: Simplify right side
    46,471.54x = 919,364,310.57
  5. Step 5: Solve for x
    x = 919,364,310.57/46,471.54
  6. Step 6: Final answer
    x = 19,783.38

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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.