Home / 11,345.65-17,009.28-5,101.09

Finding the Fourth Proportional to 11,345.65, 17,009.28 and 5,101.09

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Solution

The fourth proportional to 11,345.65, 17,009.28 and 5,101.09 is: 7,647.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,345.65 : 17,009.28 = 5,101.09 : x
  2. Step 2: Convert to fraction form
    11,345.65/17,009.28 = 5,101.09/x
  3. Step 3: Cross multiply
    11,345.65x = 17,009.28 × 5,101.09
  4. Step 4: Simplify right side
    11,345.65x = 86,765,868.12
  5. Step 5: Solve for x
    x = 86,765,868.12/11,345.65
  6. Step 6: Final answer
    x = 7,647.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.