Home / 14,745.32-22,111.02-5,378.72

Finding the Fourth Proportional to 14,745.32, 22,111.02 and 5,378.72

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Solution

The fourth proportional to 14,745.32, 22,111.02 and 5,378.72 is: 8,065.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,745.32 : 22,111.02 = 5,378.72 : x
  2. Step 2: Convert to fraction form
    14,745.32/22,111.02 = 5,378.72/x
  3. Step 3: Cross multiply
    14,745.32x = 22,111.02 × 5,378.72
  4. Step 4: Simplify right side
    14,745.32x = 118,928,985.49
  5. Step 5: Solve for x
    x = 118,928,985.49/14,745.32
  6. Step 6: Final answer
    x = 8,065.54

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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.