Home / 13,325.04-18,378.50-9,497.79

Finding the Fourth Proportional to 13,325.04, 18,378.50 and 9,497.79

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Solution

The fourth proportional to 13,325.04, 18,378.50 and 9,497.79 is: 13,099.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,325.04 : 18,378.50 = 9,497.79 : x
  2. Step 2: Convert to fraction form
    13,325.04/18,378.50 = 9,497.79/x
  3. Step 3: Cross multiply
    13,325.04x = 18,378.50 × 9,497.79
  4. Step 4: Simplify right side
    13,325.04x = 174,555,086.03
  5. Step 5: Solve for x
    x = 174,555,086.03/13,325.04
  6. Step 6: Final answer
    x = 13,099.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.