Home / 21,607.07-32,410.60-5,191.07

Finding the Fourth Proportional to 21,607.07, 32,410.60 and 5,191.07

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Solution

The fourth proportional to 21,607.07, 32,410.60 and 5,191.07 is: 7,786.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,607.07 : 32,410.60 = 5,191.07 : x
  2. Step 2: Convert to fraction form
    21,607.07/32,410.60 = 5,191.07/x
  3. Step 3: Cross multiply
    21,607.07x = 32,410.60 × 5,191.07
  4. Step 4: Simplify right side
    21,607.07x = 168,245,680.36
  5. Step 5: Solve for x
    x = 168,245,680.36/21,607.07
  6. Step 6: Final answer
    x = 7,786.60

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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.