Home / 19,302.16-26,637.96-10,921.36

Finding the Fourth Proportional to 19,302.16, 26,637.96 and 10,921.36

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Solution

The fourth proportional to 19,302.16, 26,637.96 and 10,921.36 is: 15,072.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,302.16 : 26,637.96 = 10,921.36 : x
  2. Step 2: Convert to fraction form
    19,302.16/26,637.96 = 10,921.36/x
  3. Step 3: Cross multiply
    19,302.16x = 26,637.96 × 10,921.36
  4. Step 4: Simplify right side
    19,302.16x = 290,922,750.83
  5. Step 5: Solve for x
    x = 290,922,750.83/19,302.16
  6. Step 6: Final answer
    x = 15,072.03

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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.