Home / 19,671.18-27,145.98-10,719.06

Finding the Fourth Proportional to 19,671.18, 27,145.98 and 10,719.06

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Solution

The fourth proportional to 19,671.18, 27,145.98 and 10,719.06 is: 14,792.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,671.18 : 27,145.98 = 10,719.06 : x
  2. Step 2: Convert to fraction form
    19,671.18/27,145.98 = 10,719.06/x
  3. Step 3: Cross multiply
    19,671.18x = 27,145.98 × 10,719.06
  4. Step 4: Simplify right side
    19,671.18x = 290,979,388.38
  5. Step 5: Solve for x
    x = 290,979,388.38/19,671.18
  6. Step 6: Final answer
    x = 14,792.17

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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.