Home / 18,954.76-26,152.32-12,240.67

Finding the Fourth Proportional to 18,954.76, 26,152.32 and 12,240.67

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Solution

The fourth proportional to 18,954.76, 26,152.32 and 12,240.67 is: 16,888.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,954.76 : 26,152.32 = 12,240.67 : x
  2. Step 2: Convert to fraction form
    18,954.76/26,152.32 = 12,240.67/x
  3. Step 3: Cross multiply
    18,954.76x = 26,152.32 × 12,240.67
  4. Step 4: Simplify right side
    18,954.76x = 320,121,918.85
  5. Step 5: Solve for x
    x = 320,121,918.85/18,954.76
  6. Step 6: Final answer
    x = 16,888.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.