Home / 21,202.89-29,258.65-12,248.94

Finding the Fourth Proportional to 21,202.89, 29,258.65 and 12,248.94

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Solution

The fourth proportional to 21,202.89, 29,258.65 and 12,248.94 is: 16,902.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,202.89 : 29,258.65 = 12,248.94 : x
  2. Step 2: Convert to fraction form
    21,202.89/29,258.65 = 12,248.94/x
  3. Step 3: Cross multiply
    21,202.89x = 29,258.65 × 12,248.94
  4. Step 4: Simplify right side
    21,202.89x = 358,387,448.33
  5. Step 5: Solve for x
    x = 358,387,448.33/21,202.89
  6. Step 6: Final answer
    x = 16,902.76

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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.