Home / 19,390.88-29,085.16-6,910.24

Finding the Fourth Proportional to 19,390.88, 29,085.16 and 6,910.24

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Solution

The fourth proportional to 19,390.88, 29,085.16 and 6,910.24 is: 10,364.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,390.88 : 29,085.16 = 6,910.24 : x
  2. Step 2: Convert to fraction form
    19,390.88/29,085.16 = 6,910.24/x
  3. Step 3: Cross multiply
    19,390.88x = 29,085.16 × 6,910.24
  4. Step 4: Simplify right side
    19,390.88x = 200,985,436.04
  5. Step 5: Solve for x
    x = 200,985,436.04/19,390.88
  6. Step 6: Final answer
    x = 10,364.95

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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.