Home / 19,618.55-27,074.12-10,666.67

Finding the Fourth Proportional to 19,618.55, 27,074.12 and 10,666.67

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Solution

The fourth proportional to 19,618.55, 27,074.12 and 10,666.67 is: 14,720.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,618.55 : 27,074.12 = 10,666.67 : x
  2. Step 2: Convert to fraction form
    19,618.55/27,074.12 = 10,666.67/x
  3. Step 3: Cross multiply
    19,618.55x = 27,074.12 × 10,666.67
  4. Step 4: Simplify right side
    19,618.55x = 288,790,594.88
  5. Step 5: Solve for x
    x = 288,790,594.88/19,618.55
  6. Step 6: Final answer
    x = 14,720.29

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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.