Home / 13,116.88-19,685.37-4,804.78

Finding the Fourth Proportional to 13,116.88, 19,685.37 and 4,804.78

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Solution

The fourth proportional to 13,116.88, 19,685.37 and 4,804.78 is: 7,210.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,116.88 : 19,685.37 = 4,804.78 : x
  2. Step 2: Convert to fraction form
    13,116.88/19,685.37 = 4,804.78/x
  3. Step 3: Cross multiply
    13,116.88x = 19,685.37 × 4,804.78
  4. Step 4: Simplify right side
    13,116.88x = 94,583,872.07
  5. Step 5: Solve for x
    x = 94,583,872.07/13,116.88
  6. Step 6: Final answer
    x = 7,210.85

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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.