Home / 14,205.09-19,602.75-8,237.31

Finding the Fourth Proportional to 14,205.09, 19,602.75 and 8,237.31

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Solution

The fourth proportional to 14,205.09, 19,602.75 and 8,237.31 is: 11,367.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,205.09 : 19,602.75 = 8,237.31 : x
  2. Step 2: Convert to fraction form
    14,205.09/19,602.75 = 8,237.31/x
  3. Step 3: Cross multiply
    14,205.09x = 19,602.75 × 8,237.31
  4. Step 4: Simplify right side
    14,205.09x = 161,473,928.60
  5. Step 5: Solve for x
    x = 161,473,928.60/14,205.09
  6. Step 6: Final answer
    x = 11,367.33

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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.