Home / 9,840.45-13,584.84-6,670.50

Finding the Fourth Proportional to 9,840.45, 13,584.84 and 6,670.50

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Solution

The fourth proportional to 9,840.45, 13,584.84 and 6,670.50 is: 9,208.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,840.45 : 13,584.84 = 6,670.50 : x
  2. Step 2: Convert to fraction form
    9,840.45/13,584.84 = 6,670.50/x
  3. Step 3: Cross multiply
    9,840.45x = 13,584.84 × 6,670.50
  4. Step 4: Simplify right side
    9,840.45x = 90,617,675.22
  5. Step 5: Solve for x
    x = 90,617,675.22/9,840.45
  6. Step 6: Final answer
    x = 9,208.69

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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.