Home / 13,100.16-19,675.35-11,230.28

Finding the Fourth Proportional to 13,100.16, 19,675.35 and 11,230.28

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Solution

The fourth proportional to 13,100.16, 19,675.35 and 11,230.28 is: 16,866.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,100.16 : 19,675.35 = 11,230.28 : x
  2. Step 2: Convert to fraction form
    13,100.16/19,675.35 = 11,230.28/x
  3. Step 3: Cross multiply
    13,100.16x = 19,675.35 × 11,230.28
  4. Step 4: Simplify right side
    13,100.16x = 220,959,591.22
  5. Step 5: Solve for x
    x = 220,959,591.22/13,100.16
  6. Step 6: Final answer
    x = 16,866.94

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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.