Home / 12,135.08-16,744.29-6,830.12

Finding the Fourth Proportional to 12,135.08, 16,744.29 and 6,830.12

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Solution

The fourth proportional to 12,135.08, 16,744.29 and 6,830.12 is: 9,424.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,135.08 : 16,744.29 = 6,830.12 : x
  2. Step 2: Convert to fraction form
    12,135.08/16,744.29 = 6,830.12/x
  3. Step 3: Cross multiply
    12,135.08x = 16,744.29 × 6,830.12
  4. Step 4: Simplify right side
    12,135.08x = 114,365,426.29
  5. Step 5: Solve for x
    x = 114,365,426.29/12,135.08
  6. Step 6: Final answer
    x = 9,424.37

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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.