Home / 21,601.59-29,809.26-12,040.98

Finding the Fourth Proportional to 21,601.59, 29,809.26 and 12,040.98

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Solution

The fourth proportional to 21,601.59, 29,809.26 and 12,040.98 is: 16,616.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,601.59 : 29,809.26 = 12,040.98 : x
  2. Step 2: Convert to fraction form
    21,601.59/29,809.26 = 12,040.98/x
  3. Step 3: Cross multiply
    21,601.59x = 29,809.26 × 12,040.98
  4. Step 4: Simplify right side
    21,601.59x = 358,932,703.47
  5. Step 5: Solve for x
    x = 358,932,703.47/21,601.59
  6. Step 6: Final answer
    x = 16,616.03

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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.