Home / 15,604.08-21,533.63-8,530.50

Finding the Fourth Proportional to 15,604.08, 21,533.63 and 8,530.50

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Solution

The fourth proportional to 15,604.08, 21,533.63 and 8,530.50 is: 11,772.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,604.08 : 21,533.63 = 8,530.50 : x
  2. Step 2: Convert to fraction form
    15,604.08/21,533.63 = 8,530.50/x
  3. Step 3: Cross multiply
    15,604.08x = 21,533.63 × 8,530.50
  4. Step 4: Simplify right side
    15,604.08x = 183,692,630.72
  5. Step 5: Solve for x
    x = 183,692,630.72/15,604.08
  6. Step 6: Final answer
    x = 11,772.09

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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.