Home / 18,986.14-28,496.56-9,632.60

Finding the Fourth Proportional to 18,986.14, 28,496.56 and 9,632.60

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Solution

The fourth proportional to 18,986.14, 28,496.56 and 9,632.60 is: 14,457.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,986.14 : 28,496.56 = 9,632.60 : x
  2. Step 2: Convert to fraction form
    18,986.14/28,496.56 = 9,632.60/x
  3. Step 3: Cross multiply
    18,986.14x = 28,496.56 × 9,632.60
  4. Step 4: Simplify right side
    18,986.14x = 274,495,963.86
  5. Step 5: Solve for x
    x = 274,495,963.86/18,986.14
  6. Step 6: Final answer
    x = 14,457.70

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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.