Home / 9,887.38-14,829.50-3,313.62

Finding the Fourth Proportional to 9,887.38, 14,829.50 and 3,313.62

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Solution

The fourth proportional to 9,887.38, 14,829.50 and 3,313.62 is: 4,969.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,887.38 : 14,829.50 = 3,313.62 : x
  2. Step 2: Convert to fraction form
    9,887.38/14,829.50 = 3,313.62/x
  3. Step 3: Cross multiply
    9,887.38x = 14,829.50 × 3,313.62
  4. Step 4: Simplify right side
    9,887.38x = 49,139,336.07
  5. Step 5: Solve for x
    x = 49,139,336.07/9,887.38
  6. Step 6: Final answer
    x = 4,969.91

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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.