Home / 12,543.35-18,816.05-6,300.15

Finding the Fourth Proportional to 12,543.35, 18,816.05 and 6,300.15

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Solution

The fourth proportional to 12,543.35, 18,816.05 and 6,300.15 is: 9,450.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,543.35 : 18,816.05 = 6,300.15 : x
  2. Step 2: Convert to fraction form
    12,543.35/18,816.05 = 6,300.15/x
  3. Step 3: Cross multiply
    12,543.35x = 18,816.05 × 6,300.15
  4. Step 4: Simplify right side
    12,543.35x = 118,543,905.91
  5. Step 5: Solve for x
    x = 118,543,905.91/12,543.35
  6. Step 6: Final answer
    x = 9,450.74

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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.