Home / 10,757.02-14,836.48-7,782.70

Finding the Fourth Proportional to 10,757.02, 14,836.48 and 7,782.70

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Solution

The fourth proportional to 10,757.02, 14,836.48 and 7,782.70 is: 10,734.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,757.02 : 14,836.48 = 7,782.70 : x
  2. Step 2: Convert to fraction form
    10,757.02/14,836.48 = 7,782.70/x
  3. Step 3: Cross multiply
    10,757.02x = 14,836.48 × 7,782.70
  4. Step 4: Simplify right side
    10,757.02x = 115,467,872.90
  5. Step 5: Solve for x
    x = 115,467,872.90/10,757.02
  6. Step 6: Final answer
    x = 10,734.19

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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.