Home / 18,913.13-26,103.23-14,428.41

Finding the Fourth Proportional to 18,913.13, 26,103.23 and 14,428.41

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Solution

The fourth proportional to 18,913.13, 26,103.23 and 14,428.41 is: 19,913.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,913.13 : 26,103.23 = 14,428.41 : x
  2. Step 2: Convert to fraction form
    18,913.13/26,103.23 = 14,428.41/x
  3. Step 3: Cross multiply
    18,913.13x = 26,103.23 × 14,428.41
  4. Step 4: Simplify right side
    18,913.13x = 376,628,032.62
  5. Step 5: Solve for x
    x = 376,628,032.62/18,913.13
  6. Step 6: Final answer
    x = 19,913.58

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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.