Home / 13,344.31-20,017.51-7,798.23

Finding the Fourth Proportional to 13,344.31, 20,017.51 and 7,798.23

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Solution

The fourth proportional to 13,344.31, 20,017.51 and 7,798.23 is: 11,697.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,344.31 : 20,017.51 = 7,798.23 : x
  2. Step 2: Convert to fraction form
    13,344.31/20,017.51 = 7,798.23/x
  3. Step 3: Cross multiply
    13,344.31x = 20,017.51 × 7,798.23
  4. Step 4: Simplify right side
    13,344.31x = 156,101,147.01
  5. Step 5: Solve for x
    x = 156,101,147.01/13,344.31
  6. Step 6: Final answer
    x = 11,697.96

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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.