Home / 13,359.72-20,039.51-5,460.57

Finding the Fourth Proportional to 13,359.72, 20,039.51 and 5,460.57

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Solution

The fourth proportional to 13,359.72, 20,039.51 and 5,460.57 is: 8,190.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,359.72 : 20,039.51 = 5,460.57 : x
  2. Step 2: Convert to fraction form
    13,359.72/20,039.51 = 5,460.57/x
  3. Step 3: Cross multiply
    13,359.72x = 20,039.51 × 5,460.57
  4. Step 4: Simplify right side
    13,359.72x = 109,427,119.82
  5. Step 5: Solve for x
    x = 109,427,119.82/13,359.72
  6. Step 6: Final answer
    x = 8,190.82

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1.5x scale

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.