Home / 9,313.20-13,969.86-2,387.70

Finding the Fourth Proportional to 9,313.20, 13,969.86 and 2,387.70

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Solution

The fourth proportional to 9,313.20, 13,969.86 and 2,387.70 is: 3,581.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,313.20 : 13,969.86 = 2,387.70 : x
  2. Step 2: Convert to fraction form
    9,313.20/13,969.86 = 2,387.70/x
  3. Step 3: Cross multiply
    9,313.20x = 13,969.86 × 2,387.70
  4. Step 4: Simplify right side
    9,313.20x = 33,355,834.72
  5. Step 5: Solve for x
    x = 33,355,834.72/9,313.20
  6. Step 6: Final answer
    x = 3,581.57

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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.