Home / 13,303.79-19,967.99-6,734.60

Finding the Fourth Proportional to 13,303.79, 19,967.99 and 6,734.60

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Solution

The fourth proportional to 13,303.79, 19,967.99 and 6,734.60 is: 10,108.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303.79 : 19,967.99 = 6,734.60 : x
  2. Step 2: Convert to fraction form
    13,303.79/19,967.99 = 6,734.60/x
  3. Step 3: Cross multiply
    13,303.79x = 19,967.99 × 6,734.60
  4. Step 4: Simplify right side
    13,303.79x = 134,476,291.94
  5. Step 5: Solve for x
    x = 134,476,291.94/13,303.79
  6. Step 6: Final answer
    x = 10,108.12

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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.