Home / 17,858.09-24,643.62-9,899.84

Finding the Fourth Proportional to 17,858.09, 24,643.62 and 9,899.84

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Solution

The fourth proportional to 17,858.09, 24,643.62 and 9,899.84 is: 13,661.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,858.09 : 24,643.62 = 9,899.84 : x
  2. Step 2: Convert to fraction form
    17,858.09/24,643.62 = 9,899.84/x
  3. Step 3: Cross multiply
    17,858.09x = 24,643.62 × 9,899.84
  4. Step 4: Simplify right side
    17,858.09x = 243,967,771.80
  5. Step 5: Solve for x
    x = 243,967,771.80/17,858.09
  6. Step 6: Final answer
    x = 13,661.47

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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.