Home / 10,309.74-15,457.05-3,285.71

Finding the Fourth Proportional to 10,309.74, 15,457.05 and 3,285.71

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Solution

The fourth proportional to 10,309.74, 15,457.05 and 3,285.71 is: 4,926.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,309.74 : 15,457.05 = 3,285.71 : x
  2. Step 2: Convert to fraction form
    10,309.74/15,457.05 = 3,285.71/x
  3. Step 3: Cross multiply
    10,309.74x = 15,457.05 × 3,285.71
  4. Step 4: Simplify right side
    10,309.74x = 50,787,383.76
  5. Step 5: Solve for x
    x = 50,787,383.76/10,309.74
  6. Step 6: Final answer
    x = 4,926.16

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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.