Home / 19,515.96-29,278.60-6,368.34

Finding the Fourth Proportional to 19,515.96, 29,278.60 and 6,368.34

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Solution

The fourth proportional to 19,515.96, 29,278.60 and 6,368.34 is: 9,554.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,515.96 : 29,278.60 = 6,368.34 : x
  2. Step 2: Convert to fraction form
    19,515.96/29,278.60 = 6,368.34/x
  3. Step 3: Cross multiply
    19,515.96x = 29,278.60 × 6,368.34
  4. Step 4: Simplify right side
    19,515.96x = 186,456,173.40
  5. Step 5: Solve for x
    x = 186,456,173.40/19,515.96
  6. Step 6: Final answer
    x = 9,554.04

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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.