Home / 14,930.51-20,604.60-8,216.63

Finding the Fourth Proportional to 14,930.51, 20,604.60 and 8,216.63

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Solution

The fourth proportional to 14,930.51, 20,604.60 and 8,216.63 is: 11,339.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,930.51 : 20,604.60 = 8,216.63 : x
  2. Step 2: Convert to fraction form
    14,930.51/20,604.60 = 8,216.63/x
  3. Step 3: Cross multiply
    14,930.51x = 20,604.60 × 8,216.63
  4. Step 4: Simplify right side
    14,930.51x = 169,300,374.50
  5. Step 5: Solve for x
    x = 169,300,374.50/14,930.51
  6. Step 6: Final answer
    x = 11,339.22

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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.