Home / 14,900.25-20,561.61-8,930.76

Finding the Fourth Proportional to 14,900.25, 20,561.61 and 8,930.76

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Solution

The fourth proportional to 14,900.25, 20,561.61 and 8,930.76 is: 12,324.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,900.25 : 20,561.61 = 8,930.76 : x
  2. Step 2: Convert to fraction form
    14,900.25/20,561.61 = 8,930.76/x
  3. Step 3: Cross multiply
    14,900.25x = 20,561.61 × 8,930.76
  4. Step 4: Simplify right side
    14,900.25x = 183,630,804.12
  5. Step 5: Solve for x
    x = 183,630,804.12/14,900.25
  6. Step 6: Final answer
    x = 12,324.01

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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.