Home / 12,365.06-18,543.67-4,043.15

Finding the Fourth Proportional to 12,365.06, 18,543.67 and 4,043.15

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Solution

The fourth proportional to 12,365.06, 18,543.67 and 4,043.15 is: 6,063.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,365.06 : 18,543.67 = 4,043.15 : x
  2. Step 2: Convert to fraction form
    12,365.06/18,543.67 = 4,043.15/x
  3. Step 3: Cross multiply
    12,365.06x = 18,543.67 × 4,043.15
  4. Step 4: Simplify right side
    12,365.06x = 74,974,806.07
  5. Step 5: Solve for x
    x = 74,974,806.07/12,365.06
  6. Step 6: Final answer
    x = 6,063.44

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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.