Home / 14,608.09-20,158.03-8,940.50

Finding the Fourth Proportional to 14,608.09, 20,158.03 and 8,940.50

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Solution

The fourth proportional to 14,608.09, 20,158.03 and 8,940.50 is: 12,337.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,608.09 : 20,158.03 = 8,940.50 : x
  2. Step 2: Convert to fraction form
    14,608.09/20,158.03 = 8,940.50/x
  3. Step 3: Cross multiply
    14,608.09x = 20,158.03 × 8,940.50
  4. Step 4: Simplify right side
    14,608.09x = 180,222,867.22
  5. Step 5: Solve for x
    x = 180,222,867.22/14,608.09
  6. Step 6: Final answer
    x = 12,337.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.