Home / 14,287.41-19,712.16-8,317.97

Finding the Fourth Proportional to 14,287.41, 19,712.16 and 8,317.97

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Solution

The fourth proportional to 14,287.41, 19,712.16 and 8,317.97 is: 11,476.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,287.41 : 19,712.16 = 8,317.97 : x
  2. Step 2: Convert to fraction form
    14,287.41/19,712.16 = 8,317.97/x
  3. Step 3: Cross multiply
    14,287.41x = 19,712.16 × 8,317.97
  4. Step 4: Simplify right side
    14,287.41x = 163,965,075.43
  5. Step 5: Solve for x
    x = 163,965,075.43/14,287.41
  6. Step 6: Final answer
    x = 11,476.19

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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.