Home / 18,835.34-28,255.23-6,356.61

Finding the Fourth Proportional to 18,835.34, 28,255.23 and 6,356.61

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Solution

The fourth proportional to 18,835.34, 28,255.23 and 6,356.61 is: 9,535.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,835.34 : 28,255.23 = 6,356.61 : x
  2. Step 2: Convert to fraction form
    18,835.34/28,255.23 = 6,356.61/x
  3. Step 3: Cross multiply
    18,835.34x = 28,255.23 × 6,356.61
  4. Step 4: Simplify right side
    18,835.34x = 179,607,477.57
  5. Step 5: Solve for x
    x = 179,607,477.57/18,835.34
  6. Step 6: Final answer
    x = 9,535.67

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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.