Home / 9,518.86-14,278.61-3,278.82

Finding the Fourth Proportional to 9,518.86, 14,278.61 and 3,278.82

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Solution

The fourth proportional to 9,518.86, 14,278.61 and 3,278.82 is: 4,918.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,518.86 : 14,278.61 = 3,278.82 : x
  2. Step 2: Convert to fraction form
    9,518.86/14,278.61 = 3,278.82/x
  3. Step 3: Cross multiply
    9,518.86x = 14,278.61 × 3,278.82
  4. Step 4: Simplify right side
    9,518.86x = 46,817,000.24
  5. Step 5: Solve for x
    x = 46,817,000.24/9,518.86
  6. Step 6: Final answer
    x = 4,918.34

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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.