Home / 14,745.53-20,345.64-8,776.04

Finding the Fourth Proportional to 14,745.53, 20,345.64 and 8,776.04

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Solution

The fourth proportional to 14,745.53, 20,345.64 and 8,776.04 is: 12,109.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,745.53 : 20,345.64 = 8,776.04 : x
  2. Step 2: Convert to fraction form
    14,745.53/20,345.64 = 8,776.04/x
  3. Step 3: Cross multiply
    14,745.53x = 20,345.64 × 8,776.04
  4. Step 4: Simplify right side
    14,745.53x = 178,554,048.74
  5. Step 5: Solve for x
    x = 178,554,048.74/14,745.53
  6. Step 6: Final answer
    x = 12,109.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.