Home / 11,781.84-16,258.12-6,476.88

Finding the Fourth Proportional to 11,781.84, 16,258.12 and 6,476.88

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Solution

The fourth proportional to 11,781.84, 16,258.12 and 6,476.88 is: 8,937.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,781.84 : 16,258.12 = 6,476.88 : x
  2. Step 2: Convert to fraction form
    11,781.84/16,258.12 = 6,476.88/x
  3. Step 3: Cross multiply
    11,781.84x = 16,258.12 × 6,476.88
  4. Step 4: Simplify right side
    11,781.84x = 105,301,892.27
  5. Step 5: Solve for x
    x = 105,301,892.27/11,781.84
  6. Step 6: Final answer
    x = 8,937.64

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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.