Home / 13,256.64-19,885.98-3,395.83

Finding the Fourth Proportional to 13,256.64, 19,885.98 and 3,395.83

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Solution

The fourth proportional to 13,256.64, 19,885.98 and 3,395.83 is: 5,094.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.64 : 19,885.98 = 3,395.83 : x
  2. Step 2: Convert to fraction form
    13,256.64/19,885.98 = 3,395.83/x
  3. Step 3: Cross multiply
    13,256.64x = 19,885.98 × 3,395.83
  4. Step 4: Simplify right side
    13,256.64x = 67,529,412.20
  5. Step 5: Solve for x
    x = 67,529,412.20/13,256.64
  6. Step 6: Final answer
    x = 5,094.01

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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.