Home / 21,036.21-29,030.07-11,604.77

Finding the Fourth Proportional to 21,036.21, 29,030.07 and 11,604.77

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Solution

The fourth proportional to 21,036.21, 29,030.07 and 11,604.77 is: 16,014.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,036.21 : 29,030.07 = 11,604.77 : x
  2. Step 2: Convert to fraction form
    21,036.21/29,030.07 = 11,604.77/x
  3. Step 3: Cross multiply
    21,036.21x = 29,030.07 × 11,604.77
  4. Step 4: Simplify right side
    21,036.21x = 336,887,227.41
  5. Step 5: Solve for x
    x = 336,887,227.41/21,036.21
  6. Step 6: Final answer
    x = 16,014.64

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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.