Home / 15,823.44-23,749.56-8,434.20

Finding the Fourth Proportional to 15,823.44, 23,749.56 and 8,434.20

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Solution

The fourth proportional to 15,823.44, 23,749.56 and 8,434.20 is: 12,658.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,823.44 : 23,749.56 = 8,434.20 : x
  2. Step 2: Convert to fraction form
    15,823.44/23,749.56 = 8,434.20/x
  3. Step 3: Cross multiply
    15,823.44x = 23,749.56 × 8,434.20
  4. Step 4: Simplify right side
    15,823.44x = 200,308,538.95
  5. Step 5: Solve for x
    x = 200,308,538.95/15,823.44
  6. Step 6: Final answer
    x = 12,658.98

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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.