Home / 15,453.84-23,180.80-8,440.88

Finding the Fourth Proportional to 15,453.84, 23,180.80 and 8,440.88

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Solution

The fourth proportional to 15,453.84, 23,180.80 and 8,440.88 is: 12,661.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,453.84 : 23,180.80 = 8,440.88 : x
  2. Step 2: Convert to fraction form
    15,453.84/23,180.80 = 8,440.88/x
  3. Step 3: Cross multiply
    15,453.84x = 23,180.80 × 8,440.88
  4. Step 4: Simplify right side
    15,453.84x = 195,666,351.10
  5. Step 5: Solve for x
    x = 195,666,351.10/15,453.84
  6. Step 6: Final answer
    x = 12,661.34

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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.