Home / 20,247.93-27,959.72-12,707.33

Finding the Fourth Proportional to 20,247.93, 27,959.72 and 12,707.33

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Solution

The fourth proportional to 20,247.93, 27,959.72 and 12,707.33 is: 17,547.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,247.93 : 27,959.72 = 12,707.33 : x
  2. Step 2: Convert to fraction form
    20,247.93/27,959.72 = 12,707.33/x
  3. Step 3: Cross multiply
    20,247.93x = 27,959.72 × 12,707.33
  4. Step 4: Simplify right side
    20,247.93x = 355,293,185.41
  5. Step 5: Solve for x
    x = 355,293,185.41/20,247.93
  6. Step 6: Final answer
    x = 17,547.14

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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.