Home / 15,790.12-23,683.36-13,174.28

Finding the Fourth Proportional to 15,790.12, 23,683.36 and 13,174.28

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Solution

The fourth proportional to 15,790.12, 23,683.36 and 13,174.28 is: 19,759.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,790.12 : 23,683.36 = 13,174.28 : x
  2. Step 2: Convert to fraction form
    15,790.12/23,683.36 = 13,174.28/x
  3. Step 3: Cross multiply
    15,790.12x = 23,683.36 × 13,174.28
  4. Step 4: Simplify right side
    15,790.12x = 312,011,215.98
  5. Step 5: Solve for x
    x = 312,011,215.98/15,790.12
  6. Step 6: Final answer
    x = 19,759.90

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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.