Home / 21,036.21-29,030.00-11,604.75

Finding the Fourth Proportional to 21,036.21, 29,030.00 and 11,604.75

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Solution

The fourth proportional to 21,036.21, 29,030.00 and 11,604.75 is: 16,014.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,036.21 : 29,030.00 = 11,604.75 : x
  2. Step 2: Convert to fraction form
    21,036.21/29,030.00 = 11,604.75/x
  3. Step 3: Cross multiply
    21,036.21x = 29,030.00 × 11,604.75
  4. Step 4: Simplify right side
    21,036.21x = 336,885,834.48
  5. Step 5: Solve for x
    x = 336,885,834.48/21,036.21
  6. Step 6: Final answer
    x = 16,014.57

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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.