Home / 11,152.40-16,739.54-8,495.20

Finding the Fourth Proportional to 11,152.40, 16,739.54 and 8,495.20

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Solution

The fourth proportional to 11,152.40, 16,739.54 and 8,495.20 is: 12,751.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,152.40 : 16,739.54 = 8,495.20 : x
  2. Step 2: Convert to fraction form
    11,152.40/16,739.54 = 8,495.20/x
  3. Step 3: Cross multiply
    11,152.40x = 16,739.54 × 8,495.20
  4. Step 4: Simplify right side
    11,152.40x = 142,205,614.03
  5. Step 5: Solve for x
    x = 142,205,614.03/11,152.40
  6. Step 6: Final answer
    x = 12,751.12

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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.