Home / 21,048.60-29,045.00-11,616.55

Finding the Fourth Proportional to 21,048.60, 29,045.00 and 11,616.55

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Solution

The fourth proportional to 21,048.60, 29,045.00 and 11,616.55 is: 16,029.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,048.60 : 29,045.00 = 11,616.55 : x
  2. Step 2: Convert to fraction form
    21,048.60/29,045.00 = 11,616.55/x
  3. Step 3: Cross multiply
    21,048.60x = 29,045.00 × 11,616.55
  4. Step 4: Simplify right side
    21,048.60x = 337,402,789.15
  5. Step 5: Solve for x
    x = 337,402,789.15/21,048.60
  6. Step 6: Final answer
    x = 16,029.70

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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.