Home / 15,409.44-23,104.44-6,639.84

Finding the Fourth Proportional to 15,409.44, 23,104.44 and 6,639.84

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Solution

The fourth proportional to 15,409.44, 23,104.44 and 6,639.84 is: 9,955.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,409.44 : 23,104.44 = 6,639.84 : x
  2. Step 2: Convert to fraction form
    15,409.44/23,104.44 = 6,639.84/x
  3. Step 3: Cross multiply
    15,409.44x = 23,104.44 × 6,639.84
  4. Step 4: Simplify right side
    15,409.44x = 153,409,784.89
  5. Step 5: Solve for x
    x = 153,409,784.89/15,409.44
  6. Step 6: Final answer
    x = 9,955.57

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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.