Home / 13,330.48-19,989.01-4,442.66

Finding the Fourth Proportional to 13,330.48, 19,989.01 and 4,442.66

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Solution

The fourth proportional to 13,330.48, 19,989.01 and 4,442.66 is: 6,661.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,330.48 : 19,989.01 = 4,442.66 : x
  2. Step 2: Convert to fraction form
    13,330.48/19,989.01 = 4,442.66/x
  3. Step 3: Cross multiply
    13,330.48x = 19,989.01 × 4,442.66
  4. Step 4: Simplify right side
    13,330.48x = 88,804,375.17
  5. Step 5: Solve for x
    x = 88,804,375.17/13,330.48
  6. Step 6: Final answer
    x = 6,661.75

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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.