Home / 15,420.60-23,114.70-8,832.60

Finding the Fourth Proportional to 15,420.60, 23,114.70 and 8,832.60

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Solution

The fourth proportional to 15,420.60, 23,114.70 and 8,832.60 is: 13,239.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,420.60 : 23,114.70 = 8,832.60 : x
  2. Step 2: Convert to fraction form
    15,420.60/23,114.70 = 8,832.60/x
  3. Step 3: Cross multiply
    15,420.60x = 23,114.70 × 8,832.60
  4. Step 4: Simplify right side
    15,420.60x = 204,162,899.22
  5. Step 5: Solve for x
    x = 204,162,899.22/15,420.60
  6. Step 6: Final answer
    x = 13,239.62

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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.