Home / 22,394.45-30,878.70-14,317.31

Finding the Fourth Proportional to 22,394.45, 30,878.70 and 14,317.31

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Solution

The fourth proportional to 22,394.45, 30,878.70 and 14,317.31 is: 19,741.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,394.45 : 30,878.70 = 14,317.31 : x
  2. Step 2: Convert to fraction form
    22,394.45/30,878.70 = 14,317.31/x
  3. Step 3: Cross multiply
    22,394.45x = 30,878.70 × 14,317.31
  4. Step 4: Simplify right side
    22,394.45x = 442,099,920.30
  5. Step 5: Solve for x
    x = 442,099,920.30/22,394.45
  6. Step 6: Final answer
    x = 19,741.49

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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.