Home / 14,154.70-19,534.58-8,489.67

Finding the Fourth Proportional to 14,154.70, 19,534.58 and 8,489.67

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Solution

The fourth proportional to 14,154.70, 19,534.58 and 8,489.67 is: 11,716.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,154.70 : 19,534.58 = 8,489.67 : x
  2. Step 2: Convert to fraction form
    14,154.70/19,534.58 = 8,489.67/x
  3. Step 3: Cross multiply
    14,154.70x = 19,534.58 × 8,489.67
  4. Step 4: Simplify right side
    14,154.70x = 165,842,137.79
  5. Step 5: Solve for x
    x = 165,842,137.79/14,154.70
  6. Step 6: Final answer
    x = 11,716.40

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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.