Home / 19,788.65-29,673.39-7,314.55

Finding the Fourth Proportional to 19,788.65, 29,673.39 and 7,314.55

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Solution

The fourth proportional to 19,788.65, 29,673.39 and 7,314.55 is: 10,968.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,788.65 : 29,673.39 = 7,314.55 : x
  2. Step 2: Convert to fraction form
    19,788.65/29,673.39 = 7,314.55/x
  3. Step 3: Cross multiply
    19,788.65x = 29,673.39 × 7,314.55
  4. Step 4: Simplify right side
    19,788.65x = 217,047,573.84
  5. Step 5: Solve for x
    x = 217,047,573.84/19,788.65
  6. Step 6: Final answer
    x = 10,968.28

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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.