Home / 10,857.82-14,984.36-6,077.47

Finding the Fourth Proportional to 10,857.82, 14,984.36 and 6,077.47

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Solution

The fourth proportional to 10,857.82, 14,984.36 and 6,077.47 is: 8,387.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,857.82 : 14,984.36 = 6,077.47 : x
  2. Step 2: Convert to fraction form
    10,857.82/14,984.36 = 6,077.47/x
  3. Step 3: Cross multiply
    10,857.82x = 14,984.36 × 6,077.47
  4. Step 4: Simplify right side
    10,857.82x = 91,066,998.37
  5. Step 5: Solve for x
    x = 91,066,998.37/10,857.82
  6. Step 6: Final answer
    x = 8,387.23

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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.