Home / 14,618.09-20,172.69-8,951.93

Finding the Fourth Proportional to 14,618.09, 20,172.69 and 8,951.93

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Solution

The fourth proportional to 14,618.09, 20,172.69 and 8,951.93 is: 12,353.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,618.09 : 20,172.69 = 8,951.93 : x
  2. Step 2: Convert to fraction form
    14,618.09/20,172.69 = 8,951.93/x
  3. Step 3: Cross multiply
    14,618.09x = 20,172.69 × 8,951.93
  4. Step 4: Simplify right side
    14,618.09x = 180,584,559.22
  5. Step 5: Solve for x
    x = 180,584,559.22/14,618.09
  6. Step 6: Final answer
    x = 12,353.50

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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.