Home / 13,021.02-19,533.35-4,253.72

Finding the Fourth Proportional to 13,021.02, 19,533.35 and 4,253.72

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Solution

The fourth proportional to 13,021.02, 19,533.35 and 4,253.72 is: 6,381.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,021.02 : 19,533.35 = 4,253.72 : x
  2. Step 2: Convert to fraction form
    13,021.02/19,533.35 = 4,253.72/x
  3. Step 3: Cross multiply
    13,021.02x = 19,533.35 × 4,253.72
  4. Step 4: Simplify right side
    13,021.02x = 83,089,314.53
  5. Step 5: Solve for x
    x = 83,089,314.53/13,021.02
  6. Step 6: Final answer
    x = 6,381.17

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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.