Home / 15,458.06-23,169.18-7,120.58

Finding the Fourth Proportional to 15,458.06, 23,169.18 and 7,120.58

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Solution

The fourth proportional to 15,458.06, 23,169.18 and 7,120.58 is: 10,672.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,458.06 : 23,169.18 = 7,120.58 : x
  2. Step 2: Convert to fraction form
    15,458.06/23,169.18 = 7,120.58/x
  3. Step 3: Cross multiply
    15,458.06x = 23,169.18 × 7,120.58
  4. Step 4: Simplify right side
    15,458.06x = 164,977,999.72
  5. Step 5: Solve for x
    x = 164,977,999.72/15,458.06
  6. Step 6: Final answer
    x = 10,672.62

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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.