Home / 16,988.79-25,450.02-11,127.63

Finding the Fourth Proportional to 16,988.79, 25,450.02 and 11,127.63

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Solution

The fourth proportional to 16,988.79, 25,450.02 and 11,127.63 is: 16,669.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,988.79 : 25,450.02 = 11,127.63 : x
  2. Step 2: Convert to fraction form
    16,988.79/25,450.02 = 11,127.63/x
  3. Step 3: Cross multiply
    16,988.79x = 25,450.02 × 11,127.63
  4. Step 4: Simplify right side
    16,988.79x = 283,198,406.05
  5. Step 5: Solve for x
    x = 283,198,406.05/16,988.79
  6. Step 6: Final answer
    x = 16,669.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.