Home / 13,501.32-20,238.08-5,179.12

Finding the Fourth Proportional to 13,501.32, 20,238.08 and 5,179.12

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Solution

The fourth proportional to 13,501.32, 20,238.08 and 5,179.12 is: 7,763.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,501.32 : 20,238.08 = 5,179.12 : x
  2. Step 2: Convert to fraction form
    13,501.32/20,238.08 = 5,179.12/x
  3. Step 3: Cross multiply
    13,501.32x = 20,238.08 × 5,179.12
  4. Step 4: Simplify right side
    13,501.32x = 104,815,444.89
  5. Step 5: Solve for x
    x = 104,815,444.89/13,501.32
  6. Step 6: Final answer
    x = 7,763.35

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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.