Home / 13,903.44-20,802.84-9,751.55

Finding the Fourth Proportional to 13,903.44, 20,802.84 and 9,751.55

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Solution

The fourth proportional to 13,903.44, 20,802.84 and 9,751.55 is: 14,590.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,903.44 : 20,802.84 = 9,751.55 : x
  2. Step 2: Convert to fraction form
    13,903.44/20,802.84 = 9,751.55/x
  3. Step 3: Cross multiply
    13,903.44x = 20,802.84 × 9,751.55
  4. Step 4: Simplify right side
    13,903.44x = 202,859,934.40
  5. Step 5: Solve for x
    x = 202,859,934.40/13,903.44
  6. Step 6: Final answer
    x = 14,590.63

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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.