Home / 10,256.59-14,144.70-6,721.75

Finding the Fourth Proportional to 10,256.59, 14,144.70 and 6,721.75

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Solution

The fourth proportional to 10,256.59, 14,144.70 and 6,721.75 is: 9,269.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,256.59 : 14,144.70 = 6,721.75 : x
  2. Step 2: Convert to fraction form
    10,256.59/14,144.70 = 6,721.75/x
  3. Step 3: Cross multiply
    10,256.59x = 14,144.70 × 6,721.75
  4. Step 4: Simplify right side
    10,256.59x = 95,077,137.23
  5. Step 5: Solve for x
    x = 95,077,137.23/10,256.59
  6. Step 6: Final answer
    x = 9,269.86

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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.