Home / 13,861.29-19,128.64-7,573.67

Finding the Fourth Proportional to 13,861.29, 19,128.64 and 7,573.67

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Solution

The fourth proportional to 13,861.29, 19,128.64 and 7,573.67 is: 10,451.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,861.29 : 19,128.64 = 7,573.67 : x
  2. Step 2: Convert to fraction form
    13,861.29/19,128.64 = 7,573.67/x
  3. Step 3: Cross multiply
    13,861.29x = 19,128.64 × 7,573.67
  4. Step 4: Simplify right side
    13,861.29x = 144,873,911.27
  5. Step 5: Solve for x
    x = 144,873,911.27/13,861.29
  6. Step 6: Final answer
    x = 10,451.69

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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.