Home / 19,831.49-29,741.16-6,680.33

Finding the Fourth Proportional to 19,831.49, 29,741.16 and 6,680.33

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Solution

The fourth proportional to 19,831.49, 29,741.16 and 6,680.33 is: 10,018.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,831.49 : 29,741.16 = 6,680.33 : x
  2. Step 2: Convert to fraction form
    19,831.49/29,741.16 = 6,680.33/x
  3. Step 3: Cross multiply
    19,831.49x = 29,741.16 × 6,680.33
  4. Step 4: Simplify right side
    19,831.49x = 198,680,763.38
  5. Step 5: Solve for x
    x = 198,680,763.38/19,831.49
  6. Step 6: Final answer
    x = 10,018.45

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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.