Home / 19,899.86-29,831.10-6,742.94

Finding the Fourth Proportional to 19,899.86, 29,831.10 and 6,742.94

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Solution

The fourth proportional to 19,899.86, 29,831.10 and 6,742.94 is: 10,108.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,899.86 : 29,831.10 = 6,742.94 : x
  2. Step 2: Convert to fraction form
    19,899.86/29,831.10 = 6,742.94/x
  3. Step 3: Cross multiply
    19,899.86x = 29,831.10 × 6,742.94
  4. Step 4: Simplify right side
    19,899.86x = 201,149,168.28
  5. Step 5: Solve for x
    x = 201,149,168.28/19,899.86
  6. Step 6: Final answer
    x = 10,108.07

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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.