Home / 14,837.01-20,475.09-8,122.92

Finding the Fourth Proportional to 14,837.01, 20,475.09 and 8,122.92

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Solution

The fourth proportional to 14,837.01, 20,475.09 and 8,122.92 is: 11,209.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,837.01 : 20,475.09 = 8,122.92 : x
  2. Step 2: Convert to fraction form
    14,837.01/20,475.09 = 8,122.92/x
  3. Step 3: Cross multiply
    14,837.01x = 20,475.09 × 8,122.92
  4. Step 4: Simplify right side
    14,837.01x = 166,317,518.06
  5. Step 5: Solve for x
    x = 166,317,518.06/14,837.01
  6. Step 6: Final answer
    x = 11,209.64

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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.