Home / 15,247.58-21,042.05-8,533.16

Finding the Fourth Proportional to 15,247.58, 21,042.05 and 8,533.16

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Solution

The fourth proportional to 15,247.58, 21,042.05 and 8,533.16 is: 11,775.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,247.58 : 21,042.05 = 8,533.16 : x
  2. Step 2: Convert to fraction form
    15,247.58/21,042.05 = 8,533.16/x
  3. Step 3: Cross multiply
    15,247.58x = 21,042.05 × 8,533.16
  4. Step 4: Simplify right side
    15,247.58x = 179,555,179.38
  5. Step 5: Solve for x
    x = 179,555,179.38/15,247.58
  6. Step 6: Final answer
    x = 11,775.98

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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.