Home / 12,703.42-19,031.37-11,330.74

Finding the Fourth Proportional to 12,703.42, 19,031.37 and 11,330.74

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Solution

The fourth proportional to 12,703.42, 19,031.37 and 11,330.74 is: 16,974.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,703.42 : 19,031.37 = 11,330.74 : x
  2. Step 2: Convert to fraction form
    12,703.42/19,031.37 = 11,330.74/x
  3. Step 3: Cross multiply
    12,703.42x = 19,031.37 × 11,330.74
  4. Step 4: Simplify right side
    12,703.42x = 215,639,505.31
  5. Step 5: Solve for x
    x = 215,639,505.31/12,703.42
  6. Step 6: Final answer
    x = 16,974.92

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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.