Home / 13,289.55-18,346.14-9,062.57

Finding the Fourth Proportional to 13,289.55, 18,346.14 and 9,062.57

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Solution

The fourth proportional to 13,289.55, 18,346.14 and 9,062.57 is: 12,510.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,289.55 : 18,346.14 = 9,062.57 : x
  2. Step 2: Convert to fraction form
    13,289.55/18,346.14 = 9,062.57/x
  3. Step 3: Cross multiply
    13,289.55x = 18,346.14 × 9,062.57
  4. Step 4: Simplify right side
    13,289.55x = 166,263,086.25
  5. Step 5: Solve for x
    x = 166,263,086.25/13,289.55
  6. Step 6: Final answer
    x = 12,510.81

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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.