Home / 23,479.23-35,221.03-8,490.10

Finding the Fourth Proportional to 23,479.23, 35,221.03 and 8,490.10

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Solution

The fourth proportional to 23,479.23, 35,221.03 and 8,490.10 is: 12,735.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,479.23 : 35,221.03 = 8,490.10 : x
  2. Step 2: Convert to fraction form
    23,479.23/35,221.03 = 8,490.10/x
  3. Step 3: Cross multiply
    23,479.23x = 35,221.03 × 8,490.10
  4. Step 4: Simplify right side
    23,479.23x = 299,030,023.56
  5. Step 5: Solve for x
    x = 299,030,023.56/23,479.23
  6. Step 6: Final answer
    x = 12,735.94

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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.