Home / 26,376.13-39,511.20-12,316.77

Finding the Fourth Proportional to 26,376.13, 39,511.20 and 12,316.77

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Solution

The fourth proportional to 26,376.13, 39,511.20 and 12,316.77 is: 18,450.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,376.13 : 39,511.20 = 12,316.77 : x
  2. Step 2: Convert to fraction form
    26,376.13/39,511.20 = 12,316.77/x
  3. Step 3: Cross multiply
    26,376.13x = 39,511.20 × 12,316.77
  4. Step 4: Simplify right side
    26,376.13x = 486,650,362.82
  5. Step 5: Solve for x
    x = 486,650,362.82/26,376.13
  6. Step 6: Final answer
    x = 18,450.41

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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.