Home / 19,699.26-29,529.72-10,915.80

Finding the Fourth Proportional to 19,699.26, 29,529.72 and 10,915.80

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Solution

The fourth proportional to 19,699.26, 29,529.72 and 10,915.80 is: 16,363.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,699.26 : 29,529.72 = 10,915.80 : x
  2. Step 2: Convert to fraction form
    19,699.26/29,529.72 = 10,915.80/x
  3. Step 3: Cross multiply
    19,699.26x = 29,529.72 × 10,915.80
  4. Step 4: Simplify right side
    19,699.26x = 322,340,517.58
  5. Step 5: Solve for x
    x = 322,340,517.58/19,699.26
  6. Step 6: Final answer
    x = 16,363.08

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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.