Home / 13,334.10-19,989.26-6,756.90

Finding the Fourth Proportional to 13,334.10, 19,989.26 and 6,756.90

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Solution

The fourth proportional to 13,334.10, 19,989.26 and 6,756.90 is: 10,129.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334.10 : 19,989.26 = 6,756.90 : x
  2. Step 2: Convert to fraction form
    13,334.10/19,989.26 = 6,756.90/x
  3. Step 3: Cross multiply
    13,334.10x = 19,989.26 × 6,756.90
  4. Step 4: Simplify right side
    13,334.10x = 135,065,430.89
  5. Step 5: Solve for x
    x = 135,065,430.89/13,334.10
  6. Step 6: Final answer
    x = 10,129.32

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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.