Home / 13,294.24-19,951.60-4,980.40

Finding the Fourth Proportional to 13,294.24, 19,951.60 and 4,980.40

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Solution

The fourth proportional to 13,294.24, 19,951.60 and 4,980.40 is: 7,474.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,294.24 : 19,951.60 = 4,980.40 : x
  2. Step 2: Convert to fraction form
    13,294.24/19,951.60 = 4,980.40/x
  3. Step 3: Cross multiply
    13,294.24x = 19,951.60 × 4,980.40
  4. Step 4: Simplify right side
    13,294.24x = 99,366,948.64
  5. Step 5: Solve for x
    x = 99,366,948.64/13,294.24
  6. Step 6: Final answer
    x = 7,474.44

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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.