Home / 15,987.03-23,987.46-8,582.85

Finding the Fourth Proportional to 15,987.03, 23,987.46 and 8,582.85

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Solution

The fourth proportional to 15,987.03, 23,987.46 and 8,582.85 is: 12,877.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,987.03 : 23,987.46 = 8,582.85 : x
  2. Step 2: Convert to fraction form
    15,987.03/23,987.46 = 8,582.85/x
  3. Step 3: Cross multiply
    15,987.03x = 23,987.46 × 8,582.85
  4. Step 4: Simplify right side
    15,987.03x = 205,880,771.06
  5. Step 5: Solve for x
    x = 205,880,771.06/15,987.03
  6. Step 6: Final answer
    x = 12,877.99

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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.