Home / 10,954.86-15,118.29-6,240.66

Finding the Fourth Proportional to 10,954.86, 15,118.29 and 6,240.66

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Solution

The fourth proportional to 10,954.86, 15,118.29 and 6,240.66 is: 8,612.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,954.86 : 15,118.29 = 6,240.66 : x
  2. Step 2: Convert to fraction form
    10,954.86/15,118.29 = 6,240.66/x
  3. Step 3: Cross multiply
    10,954.86x = 15,118.29 × 6,240.66
  4. Step 4: Simplify right side
    10,954.86x = 94,348,107.67
  5. Step 5: Solve for x
    x = 94,348,107.67/10,954.86
  6. Step 6: Final answer
    x = 8,612.44

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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.