Home / 21,766.36-32,661.84-9,285.20

Finding the Fourth Proportional to 21,766.36, 32,661.84 and 9,285.20

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Solution

The fourth proportional to 21,766.36, 32,661.84 and 9,285.20 is: 13,933.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,766.36 : 32,661.84 = 9,285.20 : x
  2. Step 2: Convert to fraction form
    21,766.36/32,661.84 = 9,285.20/x
  3. Step 3: Cross multiply
    21,766.36x = 32,661.84 × 9,285.20
  4. Step 4: Simplify right side
    21,766.36x = 303,271,798.42
  5. Step 5: Solve for x
    x = 303,271,798.42/21,766.36
  6. Step 6: Final answer
    x = 13,933.05

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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.