Home / 21,617.48-29,832.14-11,681.48

Finding the Fourth Proportional to 21,617.48, 29,832.14 and 11,681.48

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Solution

The fourth proportional to 21,617.48, 29,832.14 and 11,681.48 is: 16,120.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,617.48 : 29,832.14 = 11,681.48 : x
  2. Step 2: Convert to fraction form
    21,617.48/29,832.14 = 11,681.48/x
  3. Step 3: Cross multiply
    21,617.48x = 29,832.14 × 11,681.48
  4. Step 4: Simplify right side
    21,617.48x = 348,483,546.77
  5. Step 5: Solve for x
    x = 348,483,546.77/21,617.48
  6. Step 6: Final answer
    x = 16,120.45

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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.