Home / 20,214.48-27,897.12-11,261.64

Finding the Fourth Proportional to 20,214.48, 27,897.12 and 11,261.64

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Solution

The fourth proportional to 20,214.48, 27,897.12 and 11,261.64 is: 15,541.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,214.48 : 27,897.12 = 11,261.64 : x
  2. Step 2: Convert to fraction form
    20,214.48/27,897.12 = 11,261.64/x
  3. Step 3: Cross multiply
    20,214.48x = 27,897.12 × 11,261.64
  4. Step 4: Simplify right side
    20,214.48x = 314,167,322.48
  5. Step 5: Solve for x
    x = 314,167,322.48/20,214.48
  6. Step 6: Final answer
    x = 15,541.70

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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.