Home / 12,629.63-17,436.35-11,228.50

Finding the Fourth Proportional to 12,629.63, 17,436.35 and 11,228.50

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Solution

The fourth proportional to 12,629.63, 17,436.35 and 11,228.50 is: 15,501.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,629.63 : 17,436.35 = 11,228.50 : x
  2. Step 2: Convert to fraction form
    12,629.63/17,436.35 = 11,228.50/x
  3. Step 3: Cross multiply
    12,629.63x = 17,436.35 × 11,228.50
  4. Step 4: Simplify right side
    12,629.63x = 195,784,055.98
  5. Step 5: Solve for x
    x = 195,784,055.98/12,629.63
  6. Step 6: Final answer
    x = 15,501.96

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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.