Home / 12,468.04-18,704.22-5,543.08

Finding the Fourth Proportional to 12,468.04, 18,704.22 and 5,543.08

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Solution

The fourth proportional to 12,468.04, 18,704.22 and 5,543.08 is: 8,315.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,468.04 : 18,704.22 = 5,543.08 : x
  2. Step 2: Convert to fraction form
    12,468.04/18,704.22 = 5,543.08/x
  3. Step 3: Cross multiply
    12,468.04x = 18,704.22 × 5,543.08
  4. Step 4: Simplify right side
    12,468.04x = 103,678,987.80
  5. Step 5: Solve for x
    x = 103,678,987.80/12,468.04
  6. Step 6: Final answer
    x = 8,315.58

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1.5x scale

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.