Home / 21,601.89-29,810.43-12,041.66

Finding the Fourth Proportional to 21,601.89, 29,810.43 and 12,041.66

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Solution

The fourth proportional to 21,601.89, 29,810.43 and 12,041.66 is: 16,617.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,601.89 : 29,810.43 = 12,041.66 : x
  2. Step 2: Convert to fraction form
    21,601.89/29,810.43 = 12,041.66/x
  3. Step 3: Cross multiply
    21,601.89x = 29,810.43 × 12,041.66
  4. Step 4: Simplify right side
    21,601.89x = 358,967,137.04
  5. Step 5: Solve for x
    x = 358,967,137.04/21,601.89
  6. Step 6: Final answer
    x = 16,617.39

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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.