Home / 10,628.82-14,668.29-6,151.77

Finding the Fourth Proportional to 10,628.82, 14,668.29 and 6,151.77

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Solution

The fourth proportional to 10,628.82, 14,668.29 and 6,151.77 is: 8,489.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,628.82 : 14,668.29 = 6,151.77 : x
  2. Step 2: Convert to fraction form
    10,628.82/14,668.29 = 6,151.77/x
  3. Step 3: Cross multiply
    10,628.82x = 14,668.29 × 6,151.77
  4. Step 4: Simplify right side
    10,628.82x = 90,235,946.37
  5. Step 5: Solve for x
    x = 90,235,946.37/10,628.82
  6. Step 6: Final answer
    x = 8,489.74

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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.