Home / 14,214.64-21,316.56-6,811.24

Finding the Fourth Proportional to 14,214.64, 21,316.56 and 6,811.24

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Solution

The fourth proportional to 14,214.64, 21,316.56 and 6,811.24 is: 10,214.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,214.64 : 21,316.56 = 6,811.24 : x
  2. Step 2: Convert to fraction form
    14,214.64/21,316.56 = 6,811.24/x
  3. Step 3: Cross multiply
    14,214.64x = 21,316.56 × 6,811.24
  4. Step 4: Simplify right side
    14,214.64x = 145,192,206.13
  5. Step 5: Solve for x
    x = 145,192,206.13/14,214.64
  6. Step 6: Final answer
    x = 10,214.27

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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.