Home / 11,526.76-15,905.78-6,490.84

Finding the Fourth Proportional to 11,526.76, 15,905.78 and 6,490.84

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Solution

The fourth proportional to 11,526.76, 15,905.78 and 6,490.84 is: 8,956.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,526.76 : 15,905.78 = 6,490.84 : x
  2. Step 2: Convert to fraction form
    11,526.76/15,905.78 = 6,490.84/x
  3. Step 3: Cross multiply
    11,526.76x = 15,905.78 × 6,490.84
  4. Step 4: Simplify right side
    11,526.76x = 103,241,873.06
  5. Step 5: Solve for x
    x = 103,241,873.06/11,526.76
  6. Step 6: Final answer
    x = 8,956.71

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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.