Home / 20,799.02-28,708.54-12,304.10

Finding the Fourth Proportional to 20,799.02, 28,708.54 and 12,304.10

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Solution

The fourth proportional to 20,799.02, 28,708.54 and 12,304.10 is: 16,983.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,799.02 : 28,708.54 = 12,304.10 : x
  2. Step 2: Convert to fraction form
    20,799.02/28,708.54 = 12,304.10/x
  3. Step 3: Cross multiply
    20,799.02x = 28,708.54 × 12,304.10
  4. Step 4: Simplify right side
    20,799.02x = 353,232,747.01
  5. Step 5: Solve for x
    x = 353,232,747.01/20,799.02
  6. Step 6: Final answer
    x = 16,983.14

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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.