Home / 19,657.66-27,127.71-10,705.18

Finding the Fourth Proportional to 19,657.66, 27,127.71 and 10,705.18

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Solution

The fourth proportional to 19,657.66, 27,127.71 and 10,705.18 is: 14,773.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,657.66 : 27,127.71 = 10,705.18 : x
  2. Step 2: Convert to fraction form
    19,657.66/27,127.71 = 10,705.18/x
  3. Step 3: Cross multiply
    19,657.66x = 27,127.71 × 10,705.18
  4. Step 4: Simplify right side
    19,657.66x = 290,407,018.54
  5. Step 5: Solve for x
    x = 290,407,018.54/19,657.66
  6. Step 6: Final answer
    x = 14,773.22

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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.