Home / 21,485.94-32,216.76-6,690.48

Finding the Fourth Proportional to 21,485.94, 32,216.76 and 6,690.48

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Solution

The fourth proportional to 21,485.94, 32,216.76 and 6,690.48 is: 10,031.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,485.94 : 32,216.76 = 6,690.48 : x
  2. Step 2: Convert to fraction form
    21,485.94/32,216.76 = 6,690.48/x
  3. Step 3: Cross multiply
    21,485.94x = 32,216.76 × 6,690.48
  4. Step 4: Simplify right side
    21,485.94x = 215,545,588.44
  5. Step 5: Solve for x
    x = 215,545,588.44/21,485.94
  6. Step 6: Final answer
    x = 10,031.94

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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.