Home / 15,530.94-23,163.71-13,206.24

Finding the Fourth Proportional to 15,530.94, 23,163.71 and 13,206.24

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Solution

The fourth proportional to 15,530.94, 23,163.71 and 13,206.24 is: 19,696.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,530.94 : 23,163.71 = 13,206.24 : x
  2. Step 2: Convert to fraction form
    15,530.94/23,163.71 = 13,206.24/x
  3. Step 3: Cross multiply
    15,530.94x = 23,163.71 × 13,206.24
  4. Step 4: Simplify right side
    15,530.94x = 305,905,513.55
  5. Step 5: Solve for x
    x = 305,905,513.55/15,530.94
  6. Step 6: Final answer
    x = 19,696.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.