Home / 13,573.17-20,357.61-8,306.37

Finding the Fourth Proportional to 13,573.17, 20,357.61 and 8,306.37

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Solution

The fourth proportional to 13,573.17, 20,357.61 and 8,306.37 is: 12,458.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,573.17 : 20,357.61 = 8,306.37 : x
  2. Step 2: Convert to fraction form
    13,573.17/20,357.61 = 8,306.37/x
  3. Step 3: Cross multiply
    13,573.17x = 20,357.61 × 8,306.37
  4. Step 4: Simplify right side
    13,573.17x = 169,097,840.98
  5. Step 5: Solve for x
    x = 169,097,840.98/13,573.17
  6. Step 6: Final answer
    x = 12,458.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.