Home / 19,320.24-26,658.72-12,244.80

Finding the Fourth Proportional to 19,320.24, 26,658.72 and 12,244.80

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Solution

The fourth proportional to 19,320.24, 26,658.72 and 12,244.80 is: 16,895.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,320.24 : 26,658.72 = 12,244.80 : x
  2. Step 2: Convert to fraction form
    19,320.24/26,658.72 = 12,244.80/x
  3. Step 3: Cross multiply
    19,320.24x = 26,658.72 × 12,244.80
  4. Step 4: Simplify right side
    19,320.24x = 326,430,694.66
  5. Step 5: Solve for x
    x = 326,430,694.66/19,320.24
  6. Step 6: Final answer
    x = 16,895.79

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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.