Home / 13,065.21-18,029.81-7,097.07

Finding the Fourth Proportional to 13,065.21, 18,029.81 and 7,097.07

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Solution

The fourth proportional to 13,065.21, 18,029.81 and 7,097.07 is: 9,793.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,065.21 : 18,029.81 = 7,097.07 : x
  2. Step 2: Convert to fraction form
    13,065.21/18,029.81 = 7,097.07/x
  3. Step 3: Cross multiply
    13,065.21x = 18,029.81 × 7,097.07
  4. Step 4: Simplify right side
    13,065.21x = 127,958,751.25
  5. Step 5: Solve for x
    x = 127,958,751.25/13,065.21
  6. Step 6: Final answer
    x = 9,793.86

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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.