Home / 15,852.36-23,788.92-5,991.65

Finding the Fourth Proportional to 15,852.36, 23,788.92 and 5,991.65

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Solution

The fourth proportional to 15,852.36, 23,788.92 and 5,991.65 is: 8,991.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,852.36 : 23,788.92 = 5,991.65 : x
  2. Step 2: Convert to fraction form
    15,852.36/23,788.92 = 5,991.65/x
  3. Step 3: Cross multiply
    15,852.36x = 23,788.92 × 5,991.65
  4. Step 4: Simplify right side
    15,852.36x = 142,534,875.25
  5. Step 5: Solve for x
    x = 142,534,875.25/15,852.36
  6. Step 6: Final answer
    x = 8,991.40

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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.