Home / 14,435.05-21,672.48-9,981.67

Finding the Fourth Proportional to 14,435.05, 21,672.48 and 9,981.67

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Solution

The fourth proportional to 14,435.05, 21,672.48 and 9,981.67 is: 14,986.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,435.05 : 21,672.48 = 9,981.67 : x
  2. Step 2: Convert to fraction form
    14,435.05/21,672.48 = 9,981.67/x
  3. Step 3: Cross multiply
    14,435.05x = 21,672.48 × 9,981.67
  4. Step 4: Simplify right side
    14,435.05x = 216,327,543.44
  5. Step 5: Solve for x
    x = 216,327,543.44/14,435.05
  6. Step 6: Final answer
    x = 14,986.27

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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.