Home / 13,253.09-19,882.04-5,457.65

Finding the Fourth Proportional to 13,253.09, 19,882.04 and 5,457.65

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Solution

The fourth proportional to 13,253.09, 19,882.04 and 5,457.65 is: 8,187.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,253.09 : 19,882.04 = 5,457.65 : x
  2. Step 2: Convert to fraction form
    13,253.09/19,882.04 = 5,457.65/x
  3. Step 3: Cross multiply
    13,253.09x = 19,882.04 × 5,457.65
  4. Step 4: Simplify right side
    13,253.09x = 108,509,215.61
  5. Step 5: Solve for x
    x = 108,509,215.61/13,253.09
  6. Step 6: Final answer
    x = 8,187.47

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Similar ratio
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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.