Home / 10,678.09-14,731.86-6,697.75

Finding the Fourth Proportional to 10,678.09, 14,731.86 and 6,697.75

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Solution

The fourth proportional to 10,678.09, 14,731.86 and 6,697.75 is: 9,240.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,678.09 : 14,731.86 = 6,697.75 : x
  2. Step 2: Convert to fraction form
    10,678.09/14,731.86 = 6,697.75/x
  3. Step 3: Cross multiply
    10,678.09x = 14,731.86 × 6,697.75
  4. Step 4: Simplify right side
    10,678.09x = 98,670,315.32
  5. Step 5: Solve for x
    x = 98,670,315.32/10,678.09
  6. Step 6: Final answer
    x = 9,240.45

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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.