Home / 13,276.94-19,918.85-4,957.02

Finding the Fourth Proportional to 13,276.94, 19,918.85 and 4,957.02

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Solution

The fourth proportional to 13,276.94, 19,918.85 and 4,957.02 is: 7,436.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,276.94 : 19,918.85 = 4,957.02 : x
  2. Step 2: Convert to fraction form
    13,276.94/19,918.85 = 4,957.02/x
  3. Step 3: Cross multiply
    13,276.94x = 19,918.85 × 4,957.02
  4. Step 4: Simplify right side
    13,276.94x = 98,738,113.04
  5. Step 5: Solve for x
    x = 98,738,113.04/13,276.94
  6. Step 6: Final answer
    x = 7,436.82

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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.