Home / 22,421.99-33,622.25-13,064.67

Finding the Fourth Proportional to 22,421.99, 33,622.25 and 13,064.67

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Solution

The fourth proportional to 22,421.99, 33,622.25 and 13,064.67 is: 19,590.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,421.99 : 33,622.25 = 13,064.67 : x
  2. Step 2: Convert to fraction form
    22,421.99/33,622.25 = 13,064.67/x
  3. Step 3: Cross multiply
    22,421.99x = 33,622.25 × 13,064.67
  4. Step 4: Simplify right side
    22,421.99x = 439,263,600.91
  5. Step 5: Solve for x
    x = 439,263,600.91/22,421.99
  6. Step 6: Final answer
    x = 19,590.75

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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.