Home / 10,678.82-14,687.54-9,350.22

Finding the Fourth Proportional to 10,678.82, 14,687.54 and 9,350.22

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Solution

The fourth proportional to 10,678.82, 14,687.54 and 9,350.22 is: 12,860.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,678.82 : 14,687.54 = 9,350.22 : x
  2. Step 2: Convert to fraction form
    10,678.82/14,687.54 = 9,350.22/x
  3. Step 3: Cross multiply
    10,678.82x = 14,687.54 × 9,350.22
  4. Step 4: Simplify right side
    10,678.82x = 137,331,730.26
  5. Step 5: Solve for x
    x = 137,331,730.26/10,678.82
  6. Step 6: Final answer
    x = 12,860.20

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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.