Home / 15,987.32-23,984.62-4,894.88

Finding the Fourth Proportional to 15,987.32, 23,984.62 and 4,894.88

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Solution

The fourth proportional to 15,987.32, 23,984.62 and 4,894.88 is: 7,343.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,987.32 : 23,984.62 = 4,894.88 : x
  2. Step 2: Convert to fraction form
    15,987.32/23,984.62 = 4,894.88/x
  3. Step 3: Cross multiply
    15,987.32x = 23,984.62 × 4,894.88
  4. Step 4: Simplify right side
    15,987.32x = 117,401,836.75
  5. Step 5: Solve for x
    x = 117,401,836.75/15,987.32
  6. Step 6: Final answer
    x = 7,343.43

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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.