Home / 13,014.01-19,521.87-5,221.81

Finding the Fourth Proportional to 13,014.01, 19,521.87 and 5,221.81

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Solution

The fourth proportional to 13,014.01, 19,521.87 and 5,221.81 is: 7,833.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,014.01 : 19,521.87 = 5,221.81 : x
  2. Step 2: Convert to fraction form
    13,014.01/19,521.87 = 5,221.81/x
  3. Step 3: Cross multiply
    13,014.01x = 19,521.87 × 5,221.81
  4. Step 4: Simplify right side
    13,014.01x = 101,939,495.98
  5. Step 5: Solve for x
    x = 101,939,495.98/13,014.01
  6. Step 6: Final answer
    x = 7,833.06

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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.