Home / 12,543.48-18,794.67-8,839.23

Finding the Fourth Proportional to 12,543.48, 18,794.67 and 8,839.23

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Solution

The fourth proportional to 12,543.48, 18,794.67 and 8,839.23 is: 13,244.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,543.48 : 18,794.67 = 8,839.23 : x
  2. Step 2: Convert to fraction form
    12,543.48/18,794.67 = 8,839.23/x
  3. Step 3: Cross multiply
    12,543.48x = 18,794.67 × 8,839.23
  4. Step 4: Simplify right side
    12,543.48x = 166,130,410.90
  5. Step 5: Solve for x
    x = 166,130,410.90/12,543.48
  6. Step 6: Final answer
    x = 13,244.36

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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.