Home / 26,188.50-39,307.05-12,156.06

Finding the Fourth Proportional to 26,188.50, 39,307.05 and 12,156.06

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Solution

The fourth proportional to 26,188.50, 39,307.05 and 12,156.06 is: 18,245.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,188.50 : 39,307.05 = 12,156.06 : x
  2. Step 2: Convert to fraction form
    26,188.50/39,307.05 = 12,156.06/x
  3. Step 3: Cross multiply
    26,188.50x = 39,307.05 × 12,156.06
  4. Step 4: Simplify right side
    26,188.50x = 477,818,858.22
  5. Step 5: Solve for x
    x = 477,818,858.22/26,188.50
  6. Step 6: Final answer
    x = 18,245.37

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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.