Home / 15,987.99-23,984.17-5,455.18

Finding the Fourth Proportional to 15,987.99, 23,984.17 and 5,455.18

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Solution

The fourth proportional to 15,987.99, 23,984.17 and 5,455.18 is: 8,183.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,987.99 : 23,984.17 = 5,455.18 : x
  2. Step 2: Convert to fraction form
    15,987.99/23,984.17 = 5,455.18/x
  3. Step 3: Cross multiply
    15,987.99x = 23,984.17 × 5,455.18
  4. Step 4: Simplify right side
    15,987.99x = 130,837,964.50
  5. Step 5: Solve for x
    x = 130,837,964.50/15,987.99
  6. Step 6: Final answer
    x = 8,183.52

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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.