Home / 12,849.34-19,276.50-4,529.63

Finding the Fourth Proportional to 12,849.34, 19,276.50 and 4,529.63

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Solution

The fourth proportional to 12,849.34, 19,276.50 and 4,529.63 is: 6,795.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,849.34 : 19,276.50 = 4,529.63 : x
  2. Step 2: Convert to fraction form
    12,849.34/19,276.50 = 4,529.63/x
  3. Step 3: Cross multiply
    12,849.34x = 19,276.50 × 4,529.63
  4. Step 4: Simplify right side
    12,849.34x = 87,315,412.70
  5. Step 5: Solve for x
    x = 87,315,412.70/12,849.34
  6. Step 6: Final answer
    x = 6,795.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.