Home / 15,367.46-21,208.10-11,583.95

Finding the Fourth Proportional to 15,367.46, 21,208.10 and 11,583.95

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Solution

The fourth proportional to 15,367.46, 21,208.10 and 11,583.95 is: 15,986.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,367.46 : 21,208.10 = 11,583.95 : x
  2. Step 2: Convert to fraction form
    15,367.46/21,208.10 = 11,583.95/x
  3. Step 3: Cross multiply
    15,367.46x = 21,208.10 × 11,583.95
  4. Step 4: Simplify right side
    15,367.46x = 245,673,406.03
  5. Step 5: Solve for x
    x = 245,673,406.03/15,367.46
  6. Step 6: Final answer
    x = 15,986.60

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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.