Home / 16,389.44-22,617.23-9,315.41

Finding the Fourth Proportional to 16,389.44, 22,617.23 and 9,315.41

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Solution

The fourth proportional to 16,389.44, 22,617.23 and 9,315.41 is: 12,855.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,389.44 : 22,617.23 = 9,315.41 : x
  2. Step 2: Convert to fraction form
    16,389.44/22,617.23 = 9,315.41/x
  3. Step 3: Cross multiply
    16,389.44x = 22,617.23 × 9,315.41
  4. Step 4: Simplify right side
    16,389.44x = 210,688,610.85
  5. Step 5: Solve for x
    x = 210,688,610.85/16,389.44
  6. Step 6: Final answer
    x = 12,855.14

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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.