Home / 16,075.31-22,183.28-8,904.81

Finding the Fourth Proportional to 16,075.31, 22,183.28 and 8,904.81

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Solution

The fourth proportional to 16,075.31, 22,183.28 and 8,904.81 is: 12,288.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,075.31 : 22,183.28 = 8,904.81 : x
  2. Step 2: Convert to fraction form
    16,075.31/22,183.28 = 8,904.81/x
  3. Step 3: Cross multiply
    16,075.31x = 22,183.28 × 8,904.81
  4. Step 4: Simplify right side
    16,075.31x = 197,537,915.84
  5. Step 5: Solve for x
    x = 197,537,915.84/16,075.31
  6. Step 6: Final answer
    x = 12,288.28

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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.