Home / 14,373.45-21,515.58-7,783.29

Finding the Fourth Proportional to 14,373.45, 21,515.58 and 7,783.29

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Solution

The fourth proportional to 14,373.45, 21,515.58 and 7,783.29 is: 11,650.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,373.45 : 21,515.58 = 7,783.29 : x
  2. Step 2: Convert to fraction form
    14,373.45/21,515.58 = 7,783.29/x
  3. Step 3: Cross multiply
    14,373.45x = 21,515.58 × 7,783.29
  4. Step 4: Simplify right side
    14,373.45x = 167,461,998.66
  5. Step 5: Solve for x
    x = 167,461,998.66/14,373.45
  6. Step 6: Final answer
    x = 11,650.79

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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.