Home / 15,558.80-23,345.06-8,161.47

Finding the Fourth Proportional to 15,558.80, 23,345.06 and 8,161.47

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Solution

The fourth proportional to 15,558.80, 23,345.06 and 8,161.47 is: 12,245.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,558.80 : 23,345.06 = 8,161.47 : x
  2. Step 2: Convert to fraction form
    15,558.80/23,345.06 = 8,161.47/x
  3. Step 3: Cross multiply
    15,558.80x = 23,345.06 × 8,161.47
  4. Step 4: Simplify right side
    15,558.80x = 190,529,966.03
  5. Step 5: Solve for x
    x = 190,529,966.03/15,558.80
  6. Step 6: Final answer
    x = 12,245.80

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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.