Home / 21,041.10-29,036.69-11,609.66

Finding the Fourth Proportional to 21,041.10, 29,036.69 and 11,609.66

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Solution

The fourth proportional to 21,041.10, 29,036.69 and 11,609.66 is: 16,021.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,041.10 : 29,036.69 = 11,609.66 : x
  2. Step 2: Convert to fraction form
    21,041.10/29,036.69 = 11,609.66/x
  3. Step 3: Cross multiply
    21,041.10x = 29,036.69 × 11,609.66
  4. Step 4: Simplify right side
    21,041.10x = 337,106,200.04
  5. Step 5: Solve for x
    x = 337,106,200.04/21,041.10
  6. Step 6: Final answer
    x = 16,021.32

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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.