Home / 10,620.09-14,654.75-5,904.09

Finding the Fourth Proportional to 10,620.09, 14,654.75 and 5,904.09

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Solution

The fourth proportional to 10,620.09, 14,654.75 and 5,904.09 is: 8,147.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,620.09 : 14,654.75 = 5,904.09 : x
  2. Step 2: Convert to fraction form
    10,620.09/14,654.75 = 5,904.09/x
  3. Step 3: Cross multiply
    10,620.09x = 14,654.75 × 5,904.09
  4. Step 4: Simplify right side
    10,620.09x = 86,522,933.41
  5. Step 5: Solve for x
    x = 86,522,933.41/10,620.09
  6. Step 6: Final answer
    x = 8,147.10

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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.