Home / 9,518.82-14,278.24-8,940.78

Finding the Fourth Proportional to 9,518.82, 14,278.24 and 8,940.78

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Solution

The fourth proportional to 9,518.82, 14,278.24 and 8,940.78 is: 13,411.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,518.82 : 14,278.24 = 8,940.78 : x
  2. Step 2: Convert to fraction form
    9,518.82/14,278.24 = 8,940.78/x
  3. Step 3: Cross multiply
    9,518.82x = 14,278.24 × 8,940.78
  4. Step 4: Simplify right side
    9,518.82x = 127,658,602.63
  5. Step 5: Solve for x
    x = 127,658,602.63/9,518.82
  6. Step 6: Final answer
    x = 13,411.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.