Home / 16,977.20-23,428.51-9,424.69

Finding the Fourth Proportional to 16,977.20, 23,428.51 and 9,424.69

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Solution

The fourth proportional to 16,977.20, 23,428.51 and 9,424.69 is: 13,006.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,977.20 : 23,428.51 = 9,424.69 : x
  2. Step 2: Convert to fraction form
    16,977.20/23,428.51 = 9,424.69/x
  3. Step 3: Cross multiply
    16,977.20x = 23,428.51 × 9,424.69
  4. Step 4: Simplify right side
    16,977.20x = 220,806,361.78
  5. Step 5: Solve for x
    x = 220,806,361.78/16,977.20
  6. Step 6: Final answer
    x = 13,006.06

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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.