Home / 15,006.12-20,709.90-8,293.32

Finding the Fourth Proportional to 15,006.12, 20,709.90 and 8,293.32

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Solution

The fourth proportional to 15,006.12, 20,709.90 and 8,293.32 is: 11,445.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,006.12 : 20,709.90 = 8,293.32 : x
  2. Step 2: Convert to fraction form
    15,006.12/20,709.90 = 8,293.32/x
  3. Step 3: Cross multiply
    15,006.12x = 20,709.90 × 8,293.32
  4. Step 4: Simplify right side
    15,006.12x = 171,753,827.87
  5. Step 5: Solve for x
    x = 171,753,827.87/15,006.12
  6. Step 6: Final answer
    x = 11,445.59

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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.