Home / 21,030.39-29,021.83-11,598.95

Finding the Fourth Proportional to 21,030.39, 29,021.83 and 11,598.95

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Solution

The fourth proportional to 21,030.39, 29,021.83 and 11,598.95 is: 16,006.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,030.39 : 29,021.83 = 11,598.95 : x
  2. Step 2: Convert to fraction form
    21,030.39/29,021.83 = 11,598.95/x
  3. Step 3: Cross multiply
    21,030.39x = 29,021.83 × 11,598.95
  4. Step 4: Simplify right side
    21,030.39x = 336,622,798.64
  5. Step 5: Solve for x
    x = 336,622,798.64/21,030.39
  6. Step 6: Final answer
    x = 16,006.49

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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.