Home / 19,172.14-26,457.54-10,788.64

Finding the Fourth Proportional to 19,172.14, 26,457.54 and 10,788.64

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Solution

The fourth proportional to 19,172.14, 26,457.54 and 10,788.64 is: 14,888.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,172.14 : 26,457.54 = 10,788.64 : x
  2. Step 2: Convert to fraction form
    19,172.14/26,457.54 = 10,788.64/x
  3. Step 3: Cross multiply
    19,172.14x = 26,457.54 × 10,788.64
  4. Step 4: Simplify right side
    19,172.14x = 285,440,874.35
  5. Step 5: Solve for x
    x = 285,440,874.35/19,172.14
  6. Step 6: Final answer
    x = 14,888.32

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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.