Home / 14,495.54-20,003.58-8,122.10

Finding the Fourth Proportional to 14,495.54, 20,003.58 and 8,122.10

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Solution

The fourth proportional to 14,495.54, 20,003.58 and 8,122.10 is: 11,208.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,495.54 : 20,003.58 = 8,122.10 : x
  2. Step 2: Convert to fraction form
    14,495.54/20,003.58 = 8,122.10/x
  3. Step 3: Cross multiply
    14,495.54x = 20,003.58 × 8,122.10
  4. Step 4: Simplify right side
    14,495.54x = 162,471,056.81
  5. Step 5: Solve for x
    x = 162,471,056.81/14,495.54
  6. Step 6: Final answer
    x = 11,208.35

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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.