Home / 12,849.52-19,260.12-8,405.35

Finding the Fourth Proportional to 12,849.52, 19,260.12 and 8,405.35

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Solution

The fourth proportional to 12,849.52, 19,260.12 and 8,405.35 is: 12,598.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,849.52 : 19,260.12 = 8,405.35 : x
  2. Step 2: Convert to fraction form
    12,849.52/19,260.12 = 8,405.35/x
  3. Step 3: Cross multiply
    12,849.52x = 19,260.12 × 8,405.35
  4. Step 4: Simplify right side
    12,849.52x = 161,887,953.34
  5. Step 5: Solve for x
    x = 161,887,953.34/12,849.52
  6. Step 6: Final answer
    x = 12,598.76

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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.