Home / 20,683.77-30,997.71-14,827.47

Finding the Fourth Proportional to 20,683.77, 30,997.71 and 14,827.47

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Solution

The fourth proportional to 20,683.77, 30,997.71 and 14,827.47 is: 22,221.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,683.77 : 30,997.71 = 14,827.47 : x
  2. Step 2: Convert to fraction form
    20,683.77/30,997.71 = 14,827.47/x
  3. Step 3: Cross multiply
    20,683.77x = 30,997.71 × 14,827.47
  4. Step 4: Simplify right side
    20,683.77x = 459,617,615.09
  5. Step 5: Solve for x
    x = 459,617,615.09/20,683.77
  6. Step 6: Final answer
    x = 22,221.17

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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.