Home / 21,101.49-31,653.62-7,060.95

Finding the Fourth Proportional to 21,101.49, 31,653.62 and 7,060.95

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Solution

The fourth proportional to 21,101.49, 31,653.62 and 7,060.95 is: 10,591.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,101.49 : 31,653.62 = 7,060.95 : x
  2. Step 2: Convert to fraction form
    21,101.49/31,653.62 = 7,060.95/x
  3. Step 3: Cross multiply
    21,101.49x = 31,653.62 × 7,060.95
  4. Step 4: Simplify right side
    21,101.49x = 223,504,592.83
  5. Step 5: Solve for x
    x = 223,504,592.83/21,101.49
  6. Step 6: Final answer
    x = 10,591.89

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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.