Home / 14,619.99-20,160.29-9,839.98

Finding the Fourth Proportional to 14,619.99, 20,160.29 and 9,839.98

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Solution

The fourth proportional to 14,619.99, 20,160.29 and 9,839.98 is: 13,568.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,619.99 : 20,160.29 = 9,839.98 : x
  2. Step 2: Convert to fraction form
    14,619.99/20,160.29 = 9,839.98/x
  3. Step 3: Cross multiply
    14,619.99x = 20,160.29 × 9,839.98
  4. Step 4: Simplify right side
    14,619.99x = 198,376,900.19
  5. Step 5: Solve for x
    x = 198,376,900.19/14,619.99
  6. Step 6: Final answer
    x = 13,568.88

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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.