Home / 10,619.46-14,653.67-6,142.55

Finding the Fourth Proportional to 10,619.46, 14,653.67 and 6,142.55

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Solution

The fourth proportional to 10,619.46, 14,653.67 and 6,142.55 is: 8,476.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,619.46 : 14,653.67 = 6,142.55 : x
  2. Step 2: Convert to fraction form
    10,619.46/14,653.67 = 6,142.55/x
  3. Step 3: Cross multiply
    10,619.46x = 14,653.67 × 6,142.55
  4. Step 4: Simplify right side
    10,619.46x = 90,010,796.68
  5. Step 5: Solve for x
    x = 90,010,796.68/10,619.46
  6. Step 6: Final answer
    x = 8,476.02

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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.