Home / 18,859.41-28,287.32-9,495.72

Finding the Fourth Proportional to 18,859.41, 28,287.32 and 9,495.72

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Solution

The fourth proportional to 18,859.41, 28,287.32 and 9,495.72 is: 14,242.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,859.41 : 28,287.32 = 9,495.72 : x
  2. Step 2: Convert to fraction form
    18,859.41/28,287.32 = 9,495.72/x
  3. Step 3: Cross multiply
    18,859.41x = 28,287.32 × 9,495.72
  4. Step 4: Simplify right side
    18,859.41x = 268,608,422.79
  5. Step 5: Solve for x
    x = 268,608,422.79/18,859.41
  6. Step 6: Final answer
    x = 14,242.67

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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.