Home / 13,308.30-19,920.92-9,802.27

Finding the Fourth Proportional to 13,308.30, 19,920.92 and 9,802.27

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Solution

The fourth proportional to 13,308.30, 19,920.92 and 9,802.27 is: 14,672.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,308.30 : 19,920.92 = 9,802.27 : x
  2. Step 2: Convert to fraction form
    13,308.30/19,920.92 = 9,802.27/x
  3. Step 3: Cross multiply
    13,308.30x = 19,920.92 × 9,802.27
  4. Step 4: Simplify right side
    13,308.30x = 195,270,155.46
  5. Step 5: Solve for x
    x = 195,270,155.46/13,308.30
  6. Step 6: Final answer
    x = 14,672.81

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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.