Home / 11,202.36-16,803.54-7,124.28

Finding the Fourth Proportional to 11,202.36, 16,803.54 and 7,124.28

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Solution

The fourth proportional to 11,202.36, 16,803.54 and 7,124.28 is: 10,686.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,202.36 : 16,803.54 = 7,124.28 : x
  2. Step 2: Convert to fraction form
    11,202.36/16,803.54 = 7,124.28/x
  3. Step 3: Cross multiply
    11,202.36x = 16,803.54 × 7,124.28
  4. Step 4: Simplify right side
    11,202.36x = 119,713,123.95
  5. Step 5: Solve for x
    x = 119,713,123.95/11,202.36
  6. Step 6: Final answer
    x = 10,686.42

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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.