Home / 13,259.88-19,885.21-4,373.32

Finding the Fourth Proportional to 13,259.88, 19,885.21 and 4,373.32

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Solution

The fourth proportional to 13,259.88, 19,885.21 and 4,373.32 is: 6,558.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,259.88 : 19,885.21 = 4,373.32 : x
  2. Step 2: Convert to fraction form
    13,259.88/19,885.21 = 4,373.32/x
  3. Step 3: Cross multiply
    13,259.88x = 19,885.21 × 4,373.32
  4. Step 4: Simplify right side
    13,259.88x = 86,964,327.30
  5. Step 5: Solve for x
    x = 86,964,327.30/13,259.88
  6. Step 6: Final answer
    x = 6,558.45

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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.