Home / 13,353.99-20,030.89-5,454.82

Finding the Fourth Proportional to 13,353.99, 20,030.89 and 5,454.82

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Solution

The fourth proportional to 13,353.99, 20,030.89 and 5,454.82 is: 8,182.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353.99 : 20,030.89 = 5,454.82 : x
  2. Step 2: Convert to fraction form
    13,353.99/20,030.89 = 5,454.82/x
  3. Step 3: Cross multiply
    13,353.99x = 20,030.89 × 5,454.82
  4. Step 4: Simplify right side
    13,353.99x = 109,264,899.39
  5. Step 5: Solve for x
    x = 109,264,899.39/13,353.99
  6. Step 6: Final answer
    x = 8,182.19

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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.