Home / 13,029.25-19,539.08-4,478.27

Finding the Fourth Proportional to 13,029.25, 19,539.08 and 4,478.27

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Solution

The fourth proportional to 13,029.25, 19,539.08 and 4,478.27 is: 6,715.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,029.25 : 19,539.08 = 4,478.27 : x
  2. Step 2: Convert to fraction form
    13,029.25/19,539.08 = 4,478.27/x
  3. Step 3: Cross multiply
    13,029.25x = 19,539.08 × 4,478.27
  4. Step 4: Simplify right side
    13,029.25x = 87,501,178.10
  5. Step 5: Solve for x
    x = 87,501,178.10/13,029.25
  6. Step 6: Final answer
    x = 6,715.75

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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.