Home / 19,575.91-29,311.71-13,348.15

Finding the Fourth Proportional to 19,575.91, 29,311.71 and 13,348.15

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Solution

The fourth proportional to 19,575.91, 29,311.71 and 13,348.15 is: 19,986.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,575.91 : 29,311.71 = 13,348.15 : x
  2. Step 2: Convert to fraction form
    19,575.91/29,311.71 = 13,348.15/x
  3. Step 3: Cross multiply
    19,575.91x = 29,311.71 × 13,348.15
  4. Step 4: Simplify right side
    19,575.91x = 391,257,101.84
  5. Step 5: Solve for x
    x = 391,257,101.84/19,575.91
  6. Step 6: Final answer
    x = 19,986.66

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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.