Home / 16,943.10-23,389.74-11,281.20

Finding the Fourth Proportional to 16,943.10, 23,389.74 and 11,281.20

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Solution

The fourth proportional to 16,943.10, 23,389.74 and 11,281.20 is: 15,573.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,943.10 : 23,389.74 = 11,281.20 : x
  2. Step 2: Convert to fraction form
    16,943.10/23,389.74 = 11,281.20/x
  3. Step 3: Cross multiply
    16,943.10x = 23,389.74 × 11,281.20
  4. Step 4: Simplify right side
    16,943.10x = 263,864,334.89
  5. Step 5: Solve for x
    x = 263,864,334.89/16,943.10
  6. Step 6: Final answer
    x = 15,573.56

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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.