Home / 11,523.79-15,904.81-6,677.84

Finding the Fourth Proportional to 11,523.79, 15,904.81 and 6,677.84

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Solution

The fourth proportional to 11,523.79, 15,904.81 and 6,677.84 is: 9,216.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,523.79 : 15,904.81 = 6,677.84 : x
  2. Step 2: Convert to fraction form
    11,523.79/15,904.81 = 6,677.84/x
  3. Step 3: Cross multiply
    11,523.79x = 15,904.81 × 6,677.84
  4. Step 4: Simplify right side
    11,523.79x = 106,209,696.89
  5. Step 5: Solve for x
    x = 106,209,696.89/11,523.79
  6. Step 6: Final answer
    x = 9,216.56

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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.