Home / 10,153.28-14,010.84-5,676.80

Finding the Fourth Proportional to 10,153.28, 14,010.84 and 5,676.80

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Solution

The fourth proportional to 10,153.28, 14,010.84 and 5,676.80 is: 7,833.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,153.28 : 14,010.84 = 5,676.80 : x
  2. Step 2: Convert to fraction form
    10,153.28/14,010.84 = 5,676.80/x
  3. Step 3: Cross multiply
    10,153.28x = 14,010.84 × 5,676.80
  4. Step 4: Simplify right side
    10,153.28x = 79,536,736.51
  5. Step 5: Solve for x
    x = 79,536,736.51/10,153.28
  6. Step 6: Final answer
    x = 7,833.60

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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.