Home / 13,598.08-20,379.84-7,434.88

Finding the Fourth Proportional to 13,598.08, 20,379.84 and 7,434.88

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Solution

The fourth proportional to 13,598.08, 20,379.84 and 7,434.88 is: 11,142.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,598.08 : 20,379.84 = 7,434.88 : x
  2. Step 2: Convert to fraction form
    13,598.08/20,379.84 = 7,434.88/x
  3. Step 3: Cross multiply
    13,598.08x = 20,379.84 × 7,434.88
  4. Step 4: Simplify right side
    13,598.08x = 151,521,664.82
  5. Step 5: Solve for x
    x = 151,521,664.82/13,598.08
  6. Step 6: Final answer
    x = 11,142.87

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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.