Home / 12,826.80-17,684.52-10,518.67

Finding the Fourth Proportional to 12,826.80, 17,684.52 and 10,518.67

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Solution

The fourth proportional to 12,826.80, 17,684.52 and 10,518.67 is: 14,502.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,826.80 : 17,684.52 = 10,518.67 : x
  2. Step 2: Convert to fraction form
    12,826.80/17,684.52 = 10,518.67/x
  3. Step 3: Cross multiply
    12,826.80x = 17,684.52 × 10,518.67
  4. Step 4: Simplify right side
    12,826.80x = 186,017,629.99
  5. Step 5: Solve for x
    x = 186,017,629.99/12,826.80
  6. Step 6: Final answer
    x = 14,502.26

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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.