Home / 14,304.78-19,740.62-8,017.15

Finding the Fourth Proportional to 14,304.78, 19,740.62 and 8,017.15

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Solution

The fourth proportional to 14,304.78, 19,740.62 and 8,017.15 is: 11,063.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,304.78 : 19,740.62 = 8,017.15 : x
  2. Step 2: Convert to fraction form
    14,304.78/19,740.62 = 8,017.15/x
  3. Step 3: Cross multiply
    14,304.78x = 19,740.62 × 8,017.15
  4. Step 4: Simplify right side
    14,304.78x = 158,263,511.63
  5. Step 5: Solve for x
    x = 158,263,511.63/14,304.78
  6. Step 6: Final answer
    x = 11,063.68

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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.