Home / 21,448.86-32,164.17-11,585.49

Finding the Fourth Proportional to 21,448.86, 32,164.17 and 11,585.49

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Solution

The fourth proportional to 21,448.86, 32,164.17 and 11,585.49 is: 17,373.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,448.86 : 32,164.17 = 11,585.49 : x
  2. Step 2: Convert to fraction form
    21,448.86/32,164.17 = 11,585.49/x
  3. Step 3: Cross multiply
    21,448.86x = 32,164.17 × 11,585.49
  4. Step 4: Simplify right side
    21,448.86x = 372,637,509.07
  5. Step 5: Solve for x
    x = 372,637,509.07/21,448.86
  6. Step 6: Final answer
    x = 17,373.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.