Home / 19,172.30-26,457.72-10,788.80

Finding the Fourth Proportional to 19,172.30, 26,457.72 and 10,788.80

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Solution

The fourth proportional to 19,172.30, 26,457.72 and 10,788.80 is: 14,888.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,172.30 : 26,457.72 = 10,788.80 : x
  2. Step 2: Convert to fraction form
    19,172.30/26,457.72 = 10,788.80/x
  3. Step 3: Cross multiply
    19,172.30x = 26,457.72 × 10,788.80
  4. Step 4: Simplify right side
    19,172.30x = 285,447,049.54
  5. Step 5: Solve for x
    x = 285,447,049.54/19,172.30
  6. Step 6: Final answer
    x = 14,888.51

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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.