Home / 15,885.23-23,820.12-4,789.85

Finding the Fourth Proportional to 15,885.23, 23,820.12 and 4,789.85

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Solution

The fourth proportional to 15,885.23, 23,820.12 and 4,789.85 is: 7,182.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,885.23 : 23,820.12 = 4,789.85 : x
  2. Step 2: Convert to fraction form
    15,885.23/23,820.12 = 4,789.85/x
  3. Step 3: Cross multiply
    15,885.23x = 23,820.12 × 4,789.85
  4. Step 4: Simplify right side
    15,885.23x = 114,094,682.68
  5. Step 5: Solve for x
    x = 114,094,682.68/15,885.23
  6. Step 6: Final answer
    x = 7,182.44

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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.