Home / 14,494.78-21,700.80-9,549.28

Finding the Fourth Proportional to 14,494.78, 21,700.80 and 9,549.28

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Solution

The fourth proportional to 14,494.78, 21,700.80 and 9,549.28 is: 14,296.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,494.78 : 21,700.80 = 9,549.28 : x
  2. Step 2: Convert to fraction form
    14,494.78/21,700.80 = 9,549.28/x
  3. Step 3: Cross multiply
    14,494.78x = 21,700.80 × 9,549.28
  4. Step 4: Simplify right side
    14,494.78x = 207,227,015.42
  5. Step 5: Solve for x
    x = 207,227,015.42/14,494.78
  6. Step 6: Final answer
    x = 14,296.67

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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.