Home / 10,845.26-14,966.74-6,129.84

Finding the Fourth Proportional to 10,845.26, 14,966.74 and 6,129.84

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Solution

The fourth proportional to 10,845.26, 14,966.74 and 6,129.84 is: 8,459.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,845.26 : 14,966.74 = 6,129.84 : x
  2. Step 2: Convert to fraction form
    10,845.26/14,966.74 = 6,129.84/x
  3. Step 3: Cross multiply
    10,845.26x = 14,966.74 × 6,129.84
  4. Step 4: Simplify right side
    10,845.26x = 91,743,721.52
  5. Step 5: Solve for x
    x = 91,743,721.52/10,845.26
  6. Step 6: Final answer
    x = 8,459.34

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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.