Home / 10,430.68-14,396.18-6,238.92

Finding the Fourth Proportional to 10,430.68, 14,396.18 and 6,238.92

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Solution

The fourth proportional to 10,430.68, 14,396.18 and 6,238.92 is: 8,610.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,430.68 : 14,396.18 = 6,238.92 : x
  2. Step 2: Convert to fraction form
    10,430.68/14,396.18 = 6,238.92/x
  3. Step 3: Cross multiply
    10,430.68x = 14,396.18 × 6,238.92
  4. Step 4: Simplify right side
    10,430.68x = 89,816,615.33
  5. Step 5: Solve for x
    x = 89,816,615.33/10,430.68
  6. Step 6: Final answer
    x = 8,610.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.