Home / 10,678.02-14,736.78-6,699.30

Finding the Fourth Proportional to 10,678.02, 14,736.78 and 6,699.30

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Solution

The fourth proportional to 10,678.02, 14,736.78 and 6,699.30 is: 9,245.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,678.02 : 14,736.78 = 6,699.30 : x
  2. Step 2: Convert to fraction form
    10,678.02/14,736.78 = 6,699.30/x
  3. Step 3: Cross multiply
    10,678.02x = 14,736.78 × 6,699.30
  4. Step 4: Simplify right side
    10,678.02x = 98,726,110.25
  5. Step 5: Solve for x
    x = 98,726,110.25/10,678.02
  6. Step 6: Final answer
    x = 9,245.73

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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.