Home / 10,120.84-13,967.94-5,929

Finding the Fourth Proportional to 10,120.84, 13,967.94 and 5,929

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Solution

The fourth proportional to 10,120.84, 13,967.94 and 5,929 is: 8,182.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,120.84 : 13,967.94 = 5,929 : x
  2. Step 2: Convert to fraction form
    10,120.84/13,967.94 = 5,929/x
  3. Step 3: Cross multiply
    10,120.84x = 13,967.94 × 5,929
  4. Step 4: Simplify right side
    10,120.84x = 82,815,916.26
  5. Step 5: Solve for x
    x = 82,815,916.26/10,120.84
  6. Step 6: Final answer
    x = 8,182.71

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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.