Home / 12,826.60-17,703.30-8,351.08

Finding the Fourth Proportional to 12,826.60, 17,703.30 and 8,351.08

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Solution

The fourth proportional to 12,826.60, 17,703.30 and 8,351.08 is: 11,526.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,826.60 : 17,703.30 = 8,351.08 : x
  2. Step 2: Convert to fraction form
    12,826.60/17,703.30 = 8,351.08/x
  3. Step 3: Cross multiply
    12,826.60x = 17,703.30 × 8,351.08
  4. Step 4: Simplify right side
    12,826.60x = 147,841,674.56
  5. Step 5: Solve for x
    x = 147,841,674.56/12,826.60
  6. Step 6: Final answer
    x = 11,526.18

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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.