Home / 21,436.02-29,582.12-12,004.56

Finding the Fourth Proportional to 21,436.02, 29,582.12 and 12,004.56

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Solution

The fourth proportional to 21,436.02, 29,582.12 and 12,004.56 is: 16,566.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,436.02 : 29,582.12 = 12,004.56 : x
  2. Step 2: Convert to fraction form
    21,436.02/29,582.12 = 12,004.56/x
  3. Step 3: Cross multiply
    21,436.02x = 29,582.12 × 12,004.56
  4. Step 4: Simplify right side
    21,436.02x = 355,120,274.44
  5. Step 5: Solve for x
    x = 355,120,274.44/21,436.02
  6. Step 6: Final answer
    x = 16,566.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.