Home / 10,955.23-16,447.44-7,409.26

Finding the Fourth Proportional to 10,955.23, 16,447.44 and 7,409.26

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Solution

The fourth proportional to 10,955.23, 16,447.44 and 7,409.26 is: 11,123.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,955.23 : 16,447.44 = 7,409.26 : x
  2. Step 2: Convert to fraction form
    10,955.23/16,447.44 = 7,409.26/x
  3. Step 3: Cross multiply
    10,955.23x = 16,447.44 × 7,409.26
  4. Step 4: Simplify right side
    10,955.23x = 121,863,252.61
  5. Step 5: Solve for x
    x = 121,863,252.61/10,955.23
  6. Step 6: Final answer
    x = 11,123.75

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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.