Home / 13,739.49-18,951.48-10,902.37

Finding the Fourth Proportional to 13,739.49, 18,951.48 and 10,902.37

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Solution

The fourth proportional to 13,739.49, 18,951.48 and 10,902.37 is: 15,038.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,739.49 : 18,951.48 = 10,902.37 : x
  2. Step 2: Convert to fraction form
    13,739.49/18,951.48 = 10,902.37/x
  3. Step 3: Cross multiply
    13,739.49x = 18,951.48 × 10,902.37
  4. Step 4: Simplify right side
    13,739.49x = 206,616,047.01
  5. Step 5: Solve for x
    x = 206,616,047.01/13,739.49
  6. Step 6: Final answer
    x = 15,038.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.