Home / 13,327.79-19,985.00-4,440.00

Finding the Fourth Proportional to 13,327.79, 19,985.00 and 4,440.00

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Solution

The fourth proportional to 13,327.79, 19,985.00 and 4,440.00 is: 6,657.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,327.79 : 19,985.00 = 4,440.00 : x
  2. Step 2: Convert to fraction form
    13,327.79/19,985.00 = 4,440.00/x
  3. Step 3: Cross multiply
    13,327.79x = 19,985.00 × 4,440.00
  4. Step 4: Simplify right side
    13,327.79x = 88,733,361.14
  5. Step 5: Solve for x
    x = 88,733,361.14/13,327.79
  6. Step 6: Final answer
    x = 6,657.77

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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.