Home / 15,795.27-21,799.45-10,127.95

Finding the Fourth Proportional to 15,795.27, 21,799.45 and 10,127.95

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Solution

The fourth proportional to 15,795.27, 21,799.45 and 10,127.95 is: 13,977.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,795.27 : 21,799.45 = 10,127.95 : x
  2. Step 2: Convert to fraction form
    15,795.27/21,799.45 = 10,127.95/x
  3. Step 3: Cross multiply
    15,795.27x = 21,799.45 × 10,127.95
  4. Step 4: Simplify right side
    15,795.27x = 220,783,739.63
  5. Step 5: Solve for x
    x = 220,783,739.63/15,795.27
  6. Step 6: Final answer
    x = 13,977.84

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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.