Home / 13,878.26-19,152.15-7,590.50

Finding the Fourth Proportional to 13,878.26, 19,152.15 and 7,590.50

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Solution

The fourth proportional to 13,878.26, 19,152.15 and 7,590.50 is: 10,474.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,878.26 : 19,152.15 = 7,590.50 : x
  2. Step 2: Convert to fraction form
    13,878.26/19,152.15 = 7,590.50/x
  3. Step 3: Cross multiply
    13,878.26x = 19,152.15 × 7,590.50
  4. Step 4: Simplify right side
    13,878.26x = 145,374,394.58
  5. Step 5: Solve for x
    x = 145,374,394.58/13,878.26
  6. Step 6: Final answer
    x = 10,474.97

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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.