Home / 15,041.86-20,757.52-8,327.36

Finding the Fourth Proportional to 15,041.86, 20,757.52 and 8,327.36

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Solution

The fourth proportional to 15,041.86, 20,757.52 and 8,327.36 is: 11,491.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,041.86 : 20,757.52 = 8,327.36 : x
  2. Step 2: Convert to fraction form
    15,041.86/20,757.52 = 8,327.36/x
  3. Step 3: Cross multiply
    15,041.86x = 20,757.52 × 8,327.36
  4. Step 4: Simplify right side
    15,041.86x = 172,855,341.75
  5. Step 5: Solve for x
    x = 172,855,341.75/15,041.86
  6. Step 6: Final answer
    x = 11,491.62

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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.