Home / 15,961.35-23,945.09-5,430.94

Finding the Fourth Proportional to 15,961.35, 23,945.09 and 5,430.94

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Solution

The fourth proportional to 15,961.35, 23,945.09 and 5,430.94 is: 8,147.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,961.35 : 23,945.09 = 5,430.94 : x
  2. Step 2: Convert to fraction form
    15,961.35/23,945.09 = 5,430.94/x
  3. Step 3: Cross multiply
    15,961.35x = 23,945.09 × 5,430.94
  4. Step 4: Simplify right side
    15,961.35x = 130,044,347.08
  5. Step 5: Solve for x
    x = 130,044,347.08/15,961.35
  6. Step 6: Final answer
    x = 8,147.46

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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.