Home / 13,816.60-20,724.90-9,588.40

Finding the Fourth Proportional to 13,816.60, 20,724.90 and 9,588.40

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Solution

The fourth proportional to 13,816.60, 20,724.90 and 9,588.40 is: 14,382.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,816.60 : 20,724.90 = 9,588.40 : x
  2. Step 2: Convert to fraction form
    13,816.60/20,724.90 = 9,588.40/x
  3. Step 3: Cross multiply
    13,816.60x = 20,724.90 × 9,588.40
  4. Step 4: Simplify right side
    13,816.60x = 198,718,631.16
  5. Step 5: Solve for x
    x = 198,718,631.16/13,816.60
  6. Step 6: Final answer
    x = 14,382.60

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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.