Home / 19,617.05-27,072.05-10,665.16

Finding the Fourth Proportional to 19,617.05, 27,072.05 and 10,665.16

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Solution

The fourth proportional to 19,617.05, 27,072.05 and 10,665.16 is: 14,718.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,617.05 : 27,072.05 = 10,665.16 : x
  2. Step 2: Convert to fraction form
    19,617.05/27,072.05 = 10,665.16/x
  3. Step 3: Cross multiply
    19,617.05x = 27,072.05 × 10,665.16
  4. Step 4: Simplify right side
    19,617.05x = 288,727,805.28
  5. Step 5: Solve for x
    x = 288,727,805.28/19,617.05
  6. Step 6: Final answer
    x = 14,718.21

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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.