Home / 13,271.02-19,894.08-4,499.80

Finding the Fourth Proportional to 13,271.02, 19,894.08 and 4,499.80

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Solution

The fourth proportional to 13,271.02, 19,894.08 and 4,499.80 is: 6,745.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,271.02 : 19,894.08 = 4,499.80 : x
  2. Step 2: Convert to fraction form
    13,271.02/19,894.08 = 4,499.80/x
  3. Step 3: Cross multiply
    13,271.02x = 19,894.08 × 4,499.80
  4. Step 4: Simplify right side
    13,271.02x = 89,519,381.18
  5. Step 5: Solve for x
    x = 89,519,381.18/13,271.02
  6. Step 6: Final answer
    x = 6,745.48

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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.