Home / 13,374.64-20,019.93-9,190.18

Finding the Fourth Proportional to 13,374.64, 20,019.93 and 9,190.18

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Solution

The fourth proportional to 13,374.64, 20,019.93 and 9,190.18 is: 13,756.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,374.64 : 20,019.93 = 9,190.18 : x
  2. Step 2: Convert to fraction form
    13,374.64/20,019.93 = 9,190.18/x
  3. Step 3: Cross multiply
    13,374.64x = 20,019.93 × 9,190.18
  4. Step 4: Simplify right side
    13,374.64x = 183,986,760.29
  5. Step 5: Solve for x
    x = 183,986,760.29/13,374.64
  6. Step 6: Final answer
    x = 13,756.39

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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.