Home / 10,661.24-14,709.67-10,240.85

Finding the Fourth Proportional to 10,661.24, 14,709.67 and 10,240.85

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Solution

The fourth proportional to 10,661.24, 14,709.67 and 10,240.85 is: 14,129.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,661.24 : 14,709.67 = 10,240.85 : x
  2. Step 2: Convert to fraction form
    10,661.24/14,709.67 = 10,240.85/x
  3. Step 3: Cross multiply
    10,661.24x = 14,709.67 × 10,240.85
  4. Step 4: Simplify right side
    10,661.24x = 150,639,535.19
  5. Step 5: Solve for x
    x = 150,639,535.19/10,661.24
  6. Step 6: Final answer
    x = 14,129.64

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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.