Home / 12,543.73-18,816.61-6,300.53

Finding the Fourth Proportional to 12,543.73, 18,816.61 and 6,300.53

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Solution

The fourth proportional to 12,543.73, 18,816.61 and 6,300.53 is: 9,451.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,543.73 : 18,816.61 = 6,300.53 : x
  2. Step 2: Convert to fraction form
    12,543.73/18,816.61 = 6,300.53/x
  3. Step 3: Cross multiply
    12,543.73x = 18,816.61 × 6,300.53
  4. Step 4: Simplify right side
    12,543.73x = 118,554,615.80
  5. Step 5: Solve for x
    x = 118,554,615.80/12,543.73
  6. Step 6: Final answer
    x = 9,451.30

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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.