Home / 15,604.27-21,533.96-8,530.69

Finding the Fourth Proportional to 15,604.27, 21,533.96 and 8,530.69

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Solution

The fourth proportional to 15,604.27, 21,533.96 and 8,530.69 is: 11,772.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,604.27 : 21,533.96 = 8,530.69 : x
  2. Step 2: Convert to fraction form
    15,604.27/21,533.96 = 8,530.69/x
  3. Step 3: Cross multiply
    15,604.27x = 21,533.96 × 8,530.69
  4. Step 4: Simplify right side
    15,604.27x = 183,699,504.72
  5. Step 5: Solve for x
    x = 183,699,504.72/15,604.27
  6. Step 6: Final answer
    x = 11,772.39

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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.