Home / 13,914.60-20,854.62-6,887.04

Finding the Fourth Proportional to 13,914.60, 20,854.62 and 6,887.04

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Solution

The fourth proportional to 13,914.60, 20,854.62 and 6,887.04 is: 10,322.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,914.60 : 20,854.62 = 6,887.04 : x
  2. Step 2: Convert to fraction form
    13,914.60/20,854.62 = 6,887.04/x
  3. Step 3: Cross multiply
    13,914.60x = 20,854.62 × 6,887.04
  4. Step 4: Simplify right side
    13,914.60x = 143,626,602.12
  5. Step 5: Solve for x
    x = 143,626,602.12/13,914.60
  6. Step 6: Final answer
    x = 10,322.01

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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.