Home / 10,430.01-15,645.08-2,638.85

Finding the Fourth Proportional to 10,430.01, 15,645.08 and 2,638.85

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Solution

The fourth proportional to 10,430.01, 15,645.08 and 2,638.85 is: 3,958.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,430.01 : 15,645.08 = 2,638.85 : x
  2. Step 2: Convert to fraction form
    10,430.01/15,645.08 = 2,638.85/x
  3. Step 3: Cross multiply
    10,430.01x = 15,645.08 × 2,638.85
  4. Step 4: Simplify right side
    10,430.01x = 41,284,947.73
  5. Step 5: Solve for x
    x = 41,284,947.73/10,430.01
  6. Step 6: Final answer
    x = 3,958.28

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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.