Home / 19,617.09-27,072.05-10,665.08

Finding the Fourth Proportional to 19,617.09, 27,072.05 and 10,665.08

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Solution

The fourth proportional to 19,617.09, 27,072.05 and 10,665.08 is: 14,718.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,617.09 : 27,072.05 = 10,665.08 : x
  2. Step 2: Convert to fraction form
    19,617.09/27,072.05 = 10,665.08/x
  3. Step 3: Cross multiply
    19,617.09x = 27,072.05 × 10,665.08
  4. Step 4: Simplify right side
    19,617.09x = 288,725,579.01
  5. Step 5: Solve for x
    x = 288,725,579.01/19,617.09
  6. Step 6: Final answer
    x = 14,718.06

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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.