Home / 13,818.24-19,065.60-8,225.28

Finding the Fourth Proportional to 13,818.24, 19,065.60 and 8,225.28

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Solution

The fourth proportional to 13,818.24, 19,065.60 and 8,225.28 is: 11,348.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,818.24 : 19,065.60 = 8,225.28 : x
  2. Step 2: Convert to fraction form
    13,818.24/19,065.60 = 8,225.28/x
  3. Step 3: Cross multiply
    13,818.24x = 19,065.60 × 8,225.28
  4. Step 4: Simplify right side
    13,818.24x = 156,819,898.37
  5. Step 5: Solve for x
    x = 156,819,898.37/13,818.24
  6. Step 6: Final answer
    x = 11,348.76

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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.