Home / 12,060.48-18,118.32-8,559.12

Finding the Fourth Proportional to 12,060.48, 18,118.32 and 8,559.12

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Solution

The fourth proportional to 12,060.48, 18,118.32 and 8,559.12 is: 12,858.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,060.48 : 18,118.32 = 8,559.12 : x
  2. Step 2: Convert to fraction form
    12,060.48/18,118.32 = 8,559.12/x
  3. Step 3: Cross multiply
    12,060.48x = 18,118.32 × 8,559.12
  4. Step 4: Simplify right side
    12,060.48x = 155,076,875.08
  5. Step 5: Solve for x
    x = 155,076,875.08/12,060.48
  6. Step 6: Final answer
    x = 12,858.27

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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.