Home / 12,709.19-17,529.90-8,723.39

Finding the Fourth Proportional to 12,709.19, 17,529.90 and 8,723.39

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Solution

The fourth proportional to 12,709.19, 17,529.90 and 8,723.39 is: 12,032.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,709.19 : 17,529.90 = 8,723.39 : x
  2. Step 2: Convert to fraction form
    12,709.19/17,529.90 = 8,723.39/x
  3. Step 3: Cross multiply
    12,709.19x = 17,529.90 × 8,723.39
  4. Step 4: Simplify right side
    12,709.19x = 152,920,034.00
  5. Step 5: Solve for x
    x = 152,920,034.00/12,709.19
  6. Step 6: Final answer
    x = 12,032.24

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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.