Home / 17,643.51-24,344.89-9,986.75

Finding the Fourth Proportional to 17,643.51, 24,344.89 and 9,986.75

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Solution

The fourth proportional to 17,643.51, 24,344.89 and 9,986.75 is: 13,779.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,643.51 : 24,344.89 = 9,986.75 : x
  2. Step 2: Convert to fraction form
    17,643.51/24,344.89 = 9,986.75/x
  3. Step 3: Cross multiply
    17,643.51x = 24,344.89 × 9,986.75
  4. Step 4: Simplify right side
    17,643.51x = 243,126,183.52
  5. Step 5: Solve for x
    x = 243,126,183.52/17,643.51
  6. Step 6: Final answer
    x = 13,779.92

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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.