Home / 13,152.78-19,729.17-4,386.96

Finding the Fourth Proportional to 13,152.78, 19,729.17 and 4,386.96

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Solution

The fourth proportional to 13,152.78, 19,729.17 and 4,386.96 is: 6,580.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,152.78 : 19,729.17 = 4,386.96 : x
  2. Step 2: Convert to fraction form
    13,152.78/19,729.17 = 4,386.96/x
  3. Step 3: Cross multiply
    13,152.78x = 19,729.17 × 4,386.96
  4. Step 4: Simplify right side
    13,152.78x = 86,551,079.62
  5. Step 5: Solve for x
    x = 86,551,079.62/13,152.78
  6. Step 6: Final answer
    x = 6,580.44

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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.