Home / 15,558.06-23,309.13-8,530.50

Finding the Fourth Proportional to 15,558.06, 23,309.13 and 8,530.50

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Solution

The fourth proportional to 15,558.06, 23,309.13 and 8,530.50 is: 12,780.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,558.06 : 23,309.13 = 8,530.50 : x
  2. Step 2: Convert to fraction form
    15,558.06/23,309.13 = 8,530.50/x
  3. Step 3: Cross multiply
    15,558.06x = 23,309.13 × 8,530.50
  4. Step 4: Simplify right side
    15,558.06x = 198,838,533.47
  5. Step 5: Solve for x
    x = 198,838,533.47/15,558.06
  6. Step 6: Final answer
    x = 12,780.42

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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.