Home / 13,330.02-19,966.28-6,299.42

Finding the Fourth Proportional to 13,330.02, 19,966.28 and 6,299.42

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Solution

The fourth proportional to 13,330.02, 19,966.28 and 6,299.42 is: 9,435.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,330.02 : 19,966.28 = 6,299.42 : x
  2. Step 2: Convert to fraction form
    13,330.02/19,966.28 = 6,299.42/x
  3. Step 3: Cross multiply
    13,330.02x = 19,966.28 × 6,299.42
  4. Step 4: Simplify right side
    13,330.02x = 125,776,001.98
  5. Step 5: Solve for x
    x = 125,776,001.98/13,330.02
  6. Step 6: Final answer
    x = 9,435.54

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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.