Home / 13,262.67-19,873.98-12,012.39

Finding the Fourth Proportional to 13,262.67, 19,873.98 and 12,012.39

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Solution

The fourth proportional to 13,262.67, 19,873.98 and 12,012.39 is: 18,000.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,262.67 : 19,873.98 = 12,012.39 : x
  2. Step 2: Convert to fraction form
    13,262.67/19,873.98 = 12,012.39/x
  3. Step 3: Cross multiply
    13,262.67x = 19,873.98 × 12,012.39
  4. Step 4: Simplify right side
    13,262.67x = 238,733,998.61
  5. Step 5: Solve for x
    x = 238,733,998.61/13,262.67
  6. Step 6: Final answer
    x = 18,000.45

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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.