Home / 10,502.10-15,756.21-3,106.73

Finding the Fourth Proportional to 10,502.10, 15,756.21 and 3,106.73

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Solution

The fourth proportional to 10,502.10, 15,756.21 and 3,106.73 is: 4,661.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,502.10 : 15,756.21 = 3,106.73 : x
  2. Step 2: Convert to fraction form
    10,502.10/15,756.21 = 3,106.73/x
  3. Step 3: Cross multiply
    10,502.10x = 15,756.21 × 3,106.73
  4. Step 4: Simplify right side
    10,502.10x = 48,950,329.68
  5. Step 5: Solve for x
    x = 48,950,329.68/10,502.10
  6. Step 6: Final answer
    x = 4,661.00

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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.