Home / 15,249.07-21,038.92-8,533.63

Finding the Fourth Proportional to 15,249.07, 21,038.92 and 8,533.63

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Solution

The fourth proportional to 15,249.07, 21,038.92 and 8,533.63 is: 11,773.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,249.07 : 21,038.92 = 8,533.63 : x
  2. Step 2: Convert to fraction form
    15,249.07/21,038.92 = 8,533.63/x
  3. Step 3: Cross multiply
    15,249.07x = 21,038.92 × 8,533.63
  4. Step 4: Simplify right side
    15,249.07x = 179,538,411.85
  5. Step 5: Solve for x
    x = 179,538,411.85/15,249.07
  6. Step 6: Final answer
    x = 11,773.73

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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.