Home / 14,290.58-19,721.70-8,625.23

Finding the Fourth Proportional to 14,290.58, 19,721.70 and 8,625.23

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Solution

The fourth proportional to 14,290.58, 19,721.70 and 8,625.23 is: 11,903.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,290.58 : 19,721.70 = 8,625.23 : x
  2. Step 2: Convert to fraction form
    14,290.58/19,721.70 = 8,625.23/x
  3. Step 3: Cross multiply
    14,290.58x = 19,721.70 × 8,625.23
  4. Step 4: Simplify right side
    14,290.58x = 170,104,198.49
  5. Step 5: Solve for x
    x = 170,104,198.49/14,290.58
  6. Step 6: Final answer
    x = 11,903.24

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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.