Home / 14,509.18-20,021.43-9,799.84

Finding the Fourth Proportional to 14,509.18, 20,021.43 and 9,799.84

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Solution

The fourth proportional to 14,509.18, 20,021.43 and 9,799.84 is: 13,522.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,509.18 : 20,021.43 = 9,799.84 : x
  2. Step 2: Convert to fraction form
    14,509.18/20,021.43 = 9,799.84/x
  3. Step 3: Cross multiply
    14,509.18x = 20,021.43 × 9,799.84
  4. Step 4: Simplify right side
    14,509.18x = 196,206,810.57
  5. Step 5: Solve for x
    x = 196,206,810.57/14,509.18
  6. Step 6: Final answer
    x = 13,522.94

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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.