Home / 10,370.20-15,563.04-7,707.92

Finding the Fourth Proportional to 10,370.20, 15,563.04 and 7,707.92

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Solution

The fourth proportional to 10,370.20, 15,563.04 and 7,707.92 is: 11,567.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,370.20 : 15,563.04 = 7,707.92 : x
  2. Step 2: Convert to fraction form
    10,370.20/15,563.04 = 7,707.92/x
  3. Step 3: Cross multiply
    10,370.20x = 15,563.04 × 7,707.92
  4. Step 4: Simplify right side
    10,370.20x = 119,958,669.98
  5. Step 5: Solve for x
    x = 119,958,669.98/10,370.20
  6. Step 6: Final answer
    x = 11,567.63

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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.