Home / 14,358.22-19,814.36-7,984.67

Finding the Fourth Proportional to 14,358.22, 19,814.36 and 7,984.67

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Solution

The fourth proportional to 14,358.22, 19,814.36 and 7,984.67 is: 11,018.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,358.22 : 19,814.36 = 7,984.67 : x
  2. Step 2: Convert to fraction form
    14,358.22/19,814.36 = 7,984.67/x
  3. Step 3: Cross multiply
    14,358.22x = 19,814.36 × 7,984.67
  4. Step 4: Simplify right side
    14,358.22x = 158,211,195.36
  5. Step 5: Solve for x
    x = 158,211,195.36/14,358.22
  6. Step 6: Final answer
    x = 11,018.86

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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.