Home / 12,722.38-19,086.40-5,225.93

Finding the Fourth Proportional to 12,722.38, 19,086.40 and 5,225.93

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Solution

The fourth proportional to 12,722.38, 19,086.40 and 5,225.93 is: 7,840.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,722.38 : 19,086.40 = 5,225.93 : x
  2. Step 2: Convert to fraction form
    12,722.38/19,086.40 = 5,225.93/x
  3. Step 3: Cross multiply
    12,722.38x = 19,086.40 × 5,225.93
  4. Step 4: Simplify right side
    12,722.38x = 99,744,190.35
  5. Step 5: Solve for x
    x = 99,744,190.35/12,722.38
  6. Step 6: Final answer
    x = 7,840.06

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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.