Home / 17,256.80-23,826.20-13,216.50

Finding the Fourth Proportional to 17,256.80, 23,826.20 and 13,216.50

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Solution

The fourth proportional to 17,256.80, 23,826.20 and 13,216.50 is: 18,247.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,256.80 : 23,826.20 = 13,216.50 : x
  2. Step 2: Convert to fraction form
    17,256.80/23,826.20 = 13,216.50/x
  3. Step 3: Cross multiply
    17,256.80x = 23,826.20 × 13,216.50
  4. Step 4: Simplify right side
    17,256.80x = 314,898,972.30
  5. Step 5: Solve for x
    x = 314,898,972.30/17,256.80
  6. Step 6: Final answer
    x = 18,247.82

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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.