Home / 15,858.90-23,788.73-5,329.07

Finding the Fourth Proportional to 15,858.90, 23,788.73 and 5,329.07

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Solution

The fourth proportional to 15,858.90, 23,788.73 and 5,329.07 is: 7,993.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,858.90 : 23,788.73 = 5,329.07 : x
  2. Step 2: Convert to fraction form
    15,858.90/23,788.73 = 5,329.07/x
  3. Step 3: Cross multiply
    15,858.90x = 23,788.73 × 5,329.07
  4. Step 4: Simplify right side
    15,858.90x = 126,771,747.91
  5. Step 5: Solve for x
    x = 126,771,747.91/15,858.90
  6. Step 6: Final answer
    x = 7,993.73

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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.