Home / 10,014.97-15,009.31-7,370.09

Finding the Fourth Proportional to 10,014.97, 15,009.31 and 7,370.09

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Solution

The fourth proportional to 10,014.97, 15,009.31 and 7,370.09 is: 11,045.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,014.97 : 15,009.31 = 7,370.09 : x
  2. Step 2: Convert to fraction form
    10,014.97/15,009.31 = 7,370.09/x
  3. Step 3: Cross multiply
    10,014.97x = 15,009.31 × 7,370.09
  4. Step 4: Simplify right side
    10,014.97x = 110,619,928.69
  5. Step 5: Solve for x
    x = 110,619,928.69/10,014.97
  6. Step 6: Final answer
    x = 11,045.46

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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.