Home / 21,036.17-29,029.91-11,604.74

Finding the Fourth Proportional to 21,036.17, 29,029.91 and 11,604.74

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Solution

The fourth proportional to 21,036.17, 29,029.91 and 11,604.74 is: 16,014.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,036.17 : 29,029.91 = 11,604.74 : x
  2. Step 2: Convert to fraction form
    21,036.17/29,029.91 = 11,604.74/x
  3. Step 3: Cross multiply
    21,036.17x = 29,029.91 × 11,604.74
  4. Step 4: Simplify right side
    21,036.17x = 336,884,354.60
  5. Step 5: Solve for x
    x = 336,884,354.60/21,036.17
  6. Step 6: Final answer
    x = 16,014.53

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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.