Home / 18,954.36-26,159.49-10,999.08

Finding the Fourth Proportional to 18,954.36, 26,159.49 and 10,999.08

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Solution

The fourth proportional to 18,954.36, 26,159.49 and 10,999.08 is: 15,180.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,954.36 : 26,159.49 = 10,999.08 : x
  2. Step 2: Convert to fraction form
    18,954.36/26,159.49 = 10,999.08/x
  3. Step 3: Cross multiply
    18,954.36x = 26,159.49 × 10,999.08
  4. Step 4: Simplify right side
    18,954.36x = 287,730,323.27
  5. Step 5: Solve for x
    x = 287,730,323.27/18,954.36
  6. Step 6: Final answer
    x = 15,180.17

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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.