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Finding the Fourth Proportional to 19,607.58, 27,065.60 and 12,064.03

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Solution

The fourth proportional to 19,607.58, 27,065.60 and 12,064.03 is: 16,652.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,607.58 : 27,065.60 = 12,064.03 : x
  2. Step 2: Convert to fraction form
    19,607.58/27,065.60 = 12,064.03/x
  3. Step 3: Cross multiply
    19,607.58x = 27,065.60 × 12,064.03
  4. Step 4: Simplify right side
    19,607.58x = 326,520,172.86
  5. Step 5: Solve for x
    x = 326,520,172.86/19,607.58
  6. Step 6: Final answer
    x = 16,652.75

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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.