Home / 21,258.92-29,333.34-11,827.49

Finding the Fourth Proportional to 21,258.92, 29,333.34 and 11,827.49

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Solution

The fourth proportional to 21,258.92, 29,333.34 and 11,827.49 is: 16,319.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,258.92 : 29,333.34 = 11,827.49 : x
  2. Step 2: Convert to fraction form
    21,258.92/29,333.34 = 11,827.49/x
  3. Step 3: Cross multiply
    21,258.92x = 29,333.34 × 11,827.49
  4. Step 4: Simplify right side
    21,258.92x = 346,939,638.85
  5. Step 5: Solve for x
    x = 346,939,638.85/21,258.92
  6. Step 6: Final answer
    x = 16,319.72

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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.