Home / 14,373.44-21,515.60-7,783.28

Finding the Fourth Proportional to 14,373.44, 21,515.60 and 7,783.28

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Solution

The fourth proportional to 14,373.44, 21,515.60 and 7,783.28 is: 11,650.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,373.44 : 21,515.60 = 7,783.28 : x
  2. Step 2: Convert to fraction form
    14,373.44/21,515.60 = 7,783.28/x
  3. Step 3: Cross multiply
    14,373.44x = 21,515.60 × 7,783.28
  4. Step 4: Simplify right side
    14,373.44x = 167,461,792.67
  5. Step 5: Solve for x
    x = 167,461,792.67/14,373.44
  6. Step 6: Final answer
    x = 11,650.78

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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.