Home / 10,012.29-13,812.36-6,476.64

Finding the Fourth Proportional to 10,012.29, 13,812.36 and 6,476.64

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Solution

The fourth proportional to 10,012.29, 13,812.36 and 6,476.64 is: 8,934.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,012.29 : 13,812.36 = 6,476.64 : x
  2. Step 2: Convert to fraction form
    10,012.29/13,812.36 = 6,476.64/x
  3. Step 3: Cross multiply
    10,012.29x = 13,812.36 × 6,476.64
  4. Step 4: Simplify right side
    10,012.29x = 89,457,683.27
  5. Step 5: Solve for x
    x = 89,457,683.27/10,012.29
  6. Step 6: Final answer
    x = 8,934.79

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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.