Home / 14,348.81-19,801.55-8,683.49

Finding the Fourth Proportional to 14,348.81, 19,801.55 and 8,683.49

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Solution

The fourth proportional to 14,348.81, 19,801.55 and 8,683.49 is: 11,983.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,348.81 : 19,801.55 = 8,683.49 : x
  2. Step 2: Convert to fraction form
    14,348.81/19,801.55 = 8,683.49/x
  3. Step 3: Cross multiply
    14,348.81x = 19,801.55 × 8,683.49
  4. Step 4: Simplify right side
    14,348.81x = 171,946,517.99
  5. Step 5: Solve for x
    x = 171,946,517.99/14,348.81
  6. Step 6: Final answer
    x = 11,983.33

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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.