Home / 21,335.03-31,993.22-11,337.60

Finding the Fourth Proportional to 21,335.03, 31,993.22 and 11,337.60

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Solution

The fourth proportional to 21,335.03, 31,993.22 and 11,337.60 is: 17,001.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,335.03 : 31,993.22 = 11,337.60 : x
  2. Step 2: Convert to fraction form
    21,335.03/31,993.22 = 11,337.60/x
  3. Step 3: Cross multiply
    21,335.03x = 31,993.22 × 11,337.60
  4. Step 4: Simplify right side
    21,335.03x = 362,726,274.38
  5. Step 5: Solve for x
    x = 362,726,274.38/21,335.03
  6. Step 6: Final answer
    x = 17,001.45

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1.5x scale

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.