Home / 11,612.48-17,426.34-6,929

Finding the Fourth Proportional to 11,612.48, 17,426.34 and 6,929

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Solution

The fourth proportional to 11,612.48, 17,426.34 and 6,929 is: 10,398.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,612.48 : 17,426.34 = 6,929 : x
  2. Step 2: Convert to fraction form
    11,612.48/17,426.34 = 6,929/x
  3. Step 3: Cross multiply
    11,612.48x = 17,426.34 × 6,929
  4. Step 4: Simplify right side
    11,612.48x = 120,747,109.86
  5. Step 5: Solve for x
    x = 120,747,109.86/11,612.48
  6. Step 6: Final answer
    x = 10,398.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.