Home / 13,430.71-20,139.11-6,028.79

Finding the Fourth Proportional to 13,430.71, 20,139.11 and 6,028.79

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Solution

The fourth proportional to 13,430.71, 20,139.11 and 6,028.79 is: 9,040.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,430.71 : 20,139.11 = 6,028.79 : x
  2. Step 2: Convert to fraction form
    13,430.71/20,139.11 = 6,028.79/x
  3. Step 3: Cross multiply
    13,430.71x = 20,139.11 × 6,028.79
  4. Step 4: Simplify right side
    13,430.71x = 121,414,434.83
  5. Step 5: Solve for x
    x = 121,414,434.83/13,430.71
  6. Step 6: Final answer
    x = 9,040.06

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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.