Home / 14,235.29-19,643.21-8,265.80

Finding the Fourth Proportional to 14,235.29, 19,643.21 and 8,265.80

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Solution

The fourth proportional to 14,235.29, 19,643.21 and 8,265.80 is: 11,405.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,235.29 : 19,643.21 = 8,265.80 : x
  2. Step 2: Convert to fraction form
    14,235.29/19,643.21 = 8,265.80/x
  3. Step 3: Cross multiply
    14,235.29x = 19,643.21 × 8,265.80
  4. Step 4: Simplify right side
    14,235.29x = 162,366,845.22
  5. Step 5: Solve for x
    x = 162,366,845.22/14,235.29
  6. Step 6: Final answer
    x = 11,405.94

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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.