Home / 14,585.13-20,125.44-8,210.64

Finding the Fourth Proportional to 14,585.13, 20,125.44 and 8,210.64

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Solution

The fourth proportional to 14,585.13, 20,125.44 and 8,210.64 is: 11,329.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,585.13 : 20,125.44 = 8,210.64 : x
  2. Step 2: Convert to fraction form
    14,585.13/20,125.44 = 8,210.64/x
  3. Step 3: Cross multiply
    14,585.13x = 20,125.44 × 8,210.64
  4. Step 4: Simplify right side
    14,585.13x = 165,242,742.68
  5. Step 5: Solve for x
    x = 165,242,742.68/14,585.13
  6. Step 6: Final answer
    x = 11,329.54

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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.