Home / 19,671.76-27,146.68-10,719.34

Finding the Fourth Proportional to 19,671.76, 27,146.68 and 10,719.34

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Solution

The fourth proportional to 19,671.76, 27,146.68 and 10,719.34 is: 14,792.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,671.76 : 27,146.68 = 10,719.34 : x
  2. Step 2: Convert to fraction form
    19,671.76/27,146.68 = 10,719.34/x
  3. Step 3: Cross multiply
    19,671.76x = 27,146.68 × 10,719.34
  4. Step 4: Simplify right side
    19,671.76x = 290,994,398.13
  5. Step 5: Solve for x
    x = 290,994,398.13/19,671.76
  6. Step 6: Final answer
    x = 14,792.49

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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.