Home / 10,829.81-14,945.38-6,114.13

Finding the Fourth Proportional to 10,829.81, 14,945.38 and 6,114.13

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Solution

The fourth proportional to 10,829.81, 14,945.38 and 6,114.13 is: 8,437.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,829.81 : 14,945.38 = 6,114.13 : x
  2. Step 2: Convert to fraction form
    10,829.81/14,945.38 = 6,114.13/x
  3. Step 3: Cross multiply
    10,829.81x = 14,945.38 × 6,114.13
  4. Step 4: Simplify right side
    10,829.81x = 91,377,943.57
  5. Step 5: Solve for x
    x = 91,377,943.57/10,829.81
  6. Step 6: Final answer
    x = 8,437.63

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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.