Home / 14,690.18-20,272.32-7,975.67

Finding the Fourth Proportional to 14,690.18, 20,272.32 and 7,975.67

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Solution

The fourth proportional to 14,690.18, 20,272.32 and 7,975.67 is: 11,006.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,690.18 : 20,272.32 = 7,975.67 : x
  2. Step 2: Convert to fraction form
    14,690.18/20,272.32 = 7,975.67/x
  3. Step 3: Cross multiply
    14,690.18x = 20,272.32 × 7,975.67
  4. Step 4: Simplify right side
    14,690.18x = 161,685,233.09
  5. Step 5: Solve for x
    x = 161,685,233.09/14,690.18
  6. Step 6: Final answer
    x = 11,006.35

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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.