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Finding the Fourth Proportional to 9,889.76, 14,820.02 and 5,501.18

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Solution

The fourth proportional to 9,889.76, 14,820.02 and 5,501.18 is: 8,243.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,889.76 : 14,820.02 = 5,501.18 : x
  2. Step 2: Convert to fraction form
    9,889.76/14,820.02 = 5,501.18/x
  3. Step 3: Cross multiply
    9,889.76x = 14,820.02 × 5,501.18
  4. Step 4: Simplify right side
    9,889.76x = 81,527,597.62
  5. Step 5: Solve for x
    x = 81,527,597.62/9,889.76
  6. Step 6: Final answer
    x = 8,243.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.