Home / 14,509.03-20,013.96-9,122.93

Finding the Fourth Proportional to 14,509.03, 20,013.96 and 9,122.93

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Solution

The fourth proportional to 14,509.03, 20,013.96 and 9,122.93 is: 12,584.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,509.03 : 20,013.96 = 9,122.93 : x
  2. Step 2: Convert to fraction form
    14,509.03/20,013.96 = 9,122.93/x
  3. Step 3: Cross multiply
    14,509.03x = 20,013.96 × 9,122.93
  4. Step 4: Simplify right side
    14,509.03x = 182,585,922.09
  5. Step 5: Solve for x
    x = 182,585,922.09/14,509.03
  6. Step 6: Final answer
    x = 12,584.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.