Home / 23,643.09-35,478.48-13,121.97

Finding the Fourth Proportional to 23,643.09, 35,478.48 and 13,121.97

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Solution

The fourth proportional to 23,643.09, 35,478.48 and 13,121.97 is: 19,690.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,643.09 : 35,478.48 = 13,121.97 : x
  2. Step 2: Convert to fraction form
    23,643.09/35,478.48 = 13,121.97/x
  3. Step 3: Cross multiply
    23,643.09x = 35,478.48 × 13,121.97
  4. Step 4: Simplify right side
    23,643.09x = 465,547,550.21
  5. Step 5: Solve for x
    x = 465,547,550.21/23,643.09
  6. Step 6: Final answer
    x = 19,690.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.