Home / 13,145.43-19,722.20-4,597.74

Finding the Fourth Proportional to 13,145.43, 19,722.20 and 4,597.74

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Solution

The fourth proportional to 13,145.43, 19,722.20 and 4,597.74 is: 6,898.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,145.43 : 19,722.20 = 4,597.74 : x
  2. Step 2: Convert to fraction form
    13,145.43/19,722.20 = 4,597.74/x
  3. Step 3: Cross multiply
    13,145.43x = 19,722.20 × 4,597.74
  4. Step 4: Simplify right side
    13,145.43x = 90,677,524.84
  5. Step 5: Solve for x
    x = 90,677,524.84/13,145.43
  6. Step 6: Final answer
    x = 6,898.03

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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.