Home / 19,172.68-26,457.54-10,787.56

Finding the Fourth Proportional to 19,172.68, 26,457.54 and 10,787.56

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Solution

The fourth proportional to 19,172.68, 26,457.54 and 10,787.56 is: 14,886.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,172.68 : 26,457.54 = 10,787.56 : x
  2. Step 2: Convert to fraction form
    19,172.68/26,457.54 = 10,787.56/x
  3. Step 3: Cross multiply
    19,172.68x = 26,457.54 × 10,787.56
  4. Step 4: Simplify right side
    19,172.68x = 285,412,300.20
  5. Step 5: Solve for x
    x = 285,412,300.20/19,172.68
  6. Step 6: Final answer
    x = 14,886.41

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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.