Home / 19,424.99-29,145.68-12,412.91

Finding the Fourth Proportional to 19,424.99, 29,145.68 and 12,412.91

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Solution

The fourth proportional to 19,424.99, 29,145.68 and 12,412.91 is: 18,624.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,424.99 : 29,145.68 = 12,412.91 : x
  2. Step 2: Convert to fraction form
    19,424.99/29,145.68 = 12,412.91/x
  3. Step 3: Cross multiply
    19,424.99x = 29,145.68 × 12,412.91
  4. Step 4: Simplify right side
    19,424.99x = 361,782,702.73
  5. Step 5: Solve for x
    x = 361,782,702.73/19,424.99
  6. Step 6: Final answer
    x = 18,624.60

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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.