Home / 30,183.71-45,265.31-10,457.66

Finding the Fourth Proportional to 30,183.71, 45,265.31 and 10,457.66

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Solution

The fourth proportional to 30,183.71, 45,265.31 and 10,457.66 is: 15,682.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,183.71 : 45,265.31 = 10,457.66 : x
  2. Step 2: Convert to fraction form
    30,183.71/45,265.31 = 10,457.66/x
  3. Step 3: Cross multiply
    30,183.71x = 45,265.31 × 10,457.66
  4. Step 4: Simplify right side
    30,183.71x = 473,369,112.90
  5. Step 5: Solve for x
    x = 473,369,112.90/30,183.71
  6. Step 6: Final answer
    x = 15,682.94

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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.