Home / 15,459.37-23,170.05-7,127.82

Finding the Fourth Proportional to 15,459.37, 23,170.05 and 7,127.82

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Solution

The fourth proportional to 15,459.37, 23,170.05 and 7,127.82 is: 10,682.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,459.37 : 23,170.05 = 7,127.82 : x
  2. Step 2: Convert to fraction form
    15,459.37/23,170.05 = 7,127.82/x
  3. Step 3: Cross multiply
    15,459.37x = 23,170.05 × 7,127.82
  4. Step 4: Simplify right side
    15,459.37x = 165,151,945.79
  5. Step 5: Solve for x
    x = 165,151,945.79/15,459.37
  6. Step 6: Final answer
    x = 10,682.97

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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.