Home / 14,480.71-19,986.78-9,436.21

Finding the Fourth Proportional to 14,480.71, 19,986.78 and 9,436.21

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Solution

The fourth proportional to 14,480.71, 19,986.78 and 9,436.21 is: 13,024.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,480.71 : 19,986.78 = 9,436.21 : x
  2. Step 2: Convert to fraction form
    14,480.71/19,986.78 = 9,436.21/x
  3. Step 3: Cross multiply
    14,480.71x = 19,986.78 × 9,436.21
  4. Step 4: Simplify right side
    14,480.71x = 188,599,453.30
  5. Step 5: Solve for x
    x = 188,599,453.30/14,480.71
  6. Step 6: Final answer
    x = 13,024.19

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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.