Home / 11,908.47-16,434.34-6,603.17

Finding the Fourth Proportional to 11,908.47, 16,434.34 and 6,603.17

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Solution

The fourth proportional to 11,908.47, 16,434.34 and 6,603.17 is: 9,112.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,908.47 : 16,434.34 = 6,603.17 : x
  2. Step 2: Convert to fraction form
    11,908.47/16,434.34 = 6,603.17/x
  3. Step 3: Cross multiply
    11,908.47x = 16,434.34 × 6,603.17
  4. Step 4: Simplify right side
    11,908.47x = 108,518,740.86
  5. Step 5: Solve for x
    x = 108,518,740.86/11,908.47
  6. Step 6: Final answer
    x = 9,112.74

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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.