Home / 10,628.16-15,861.88-10,351.68

Finding the Fourth Proportional to 10,628.16, 15,861.88 and 10,351.68

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Solution

The fourth proportional to 10,628.16, 15,861.88 and 10,351.68 is: 15,449.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,628.16 : 15,861.88 = 10,351.68 : x
  2. Step 2: Convert to fraction form
    10,628.16/15,861.88 = 10,351.68/x
  3. Step 3: Cross multiply
    10,628.16x = 15,861.88 × 10,351.68
  4. Step 4: Simplify right side
    10,628.16x = 164,197,105.96
  5. Step 5: Solve for x
    x = 164,197,105.96/10,628.16
  6. Step 6: Final answer
    x = 15,449.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.