Home / 11,526.56-15,905.25-6,489.98

Finding the Fourth Proportional to 11,526.56, 15,905.25 and 6,489.98

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Solution

The fourth proportional to 11,526.56, 15,905.25 and 6,489.98 is: 8,955.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,526.56 : 15,905.25 = 6,489.98 : x
  2. Step 2: Convert to fraction form
    11,526.56/15,905.25 = 6,489.98/x
  3. Step 3: Cross multiply
    11,526.56x = 15,905.25 × 6,489.98
  4. Step 4: Simplify right side
    11,526.56x = 103,224,674.87
  5. Step 5: Solve for x
    x = 103,224,674.87/11,526.56
  6. Step 6: Final answer
    x = 8,955.38

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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.