Home / 10,645.38-14,688.96-6,169.56

Finding the Fourth Proportional to 10,645.38, 14,688.96 and 6,169.56

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Solution

The fourth proportional to 10,645.38, 14,688.96 and 6,169.56 is: 8,513.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,645.38 : 14,688.96 = 6,169.56 : x
  2. Step 2: Convert to fraction form
    10,645.38/14,688.96 = 6,169.56/x
  3. Step 3: Cross multiply
    10,645.38x = 14,688.96 × 6,169.56
  4. Step 4: Simplify right side
    10,645.38x = 90,624,420.06
  5. Step 5: Solve for x
    x = 90,624,420.06/10,645.38
  6. Step 6: Final answer
    x = 8,513.03

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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.