Home / 11,274.20-15,558.95-6,799.40

Finding the Fourth Proportional to 11,274.20, 15,558.95 and 6,799.40

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Solution

The fourth proportional to 11,274.20, 15,558.95 and 6,799.40 is: 9,383.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,274.20 : 15,558.95 = 6,799.40 : x
  2. Step 2: Convert to fraction form
    11,274.20/15,558.95 = 6,799.40/x
  3. Step 3: Cross multiply
    11,274.20x = 15,558.95 × 6,799.40
  4. Step 4: Simplify right side
    11,274.20x = 105,791,412.84
  5. Step 5: Solve for x
    x = 105,791,412.84/11,274.20
  6. Step 6: Final answer
    x = 9,383.50

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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.