Home / 15,667.21-23,509.32-10,389.25

Finding the Fourth Proportional to 15,667.21, 23,509.32 and 10,389.25

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Solution

The fourth proportional to 15,667.21, 23,509.32 and 10,389.25 is: 15,589.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,667.21 : 23,509.32 = 10,389.25 : x
  2. Step 2: Convert to fraction form
    15,667.21/23,509.32 = 10,389.25/x
  3. Step 3: Cross multiply
    15,667.21x = 23,509.32 × 10,389.25
  4. Step 4: Simplify right side
    15,667.21x = 244,244,202.81
  5. Step 5: Solve for x
    x = 244,244,202.81/15,667.21
  6. Step 6: Final answer
    x = 15,589.51

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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.