Home / 13,947.07-20,927.79-9,270.31

Finding the Fourth Proportional to 13,947.07, 20,927.79 and 9,270.31

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Solution

The fourth proportional to 13,947.07, 20,927.79 and 9,270.31 is: 13,910.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,947.07 : 20,927.79 = 9,270.31 : x
  2. Step 2: Convert to fraction form
    13,947.07/20,927.79 = 9,270.31/x
  3. Step 3: Cross multiply
    13,947.07x = 20,927.79 × 9,270.31
  4. Step 4: Simplify right side
    13,947.07x = 194,007,100.91
  5. Step 5: Solve for x
    x = 194,007,100.91/13,947.07
  6. Step 6: Final answer
    x = 13,910.24

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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.