Home / 12,607.83-18,892.23-8,660.98

Finding the Fourth Proportional to 12,607.83, 18,892.23 and 8,660.98

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Solution

The fourth proportional to 12,607.83, 18,892.23 and 8,660.98 is: 12,978.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,607.83 : 18,892.23 = 8,660.98 : x
  2. Step 2: Convert to fraction form
    12,607.83/18,892.23 = 8,660.98/x
  3. Step 3: Cross multiply
    12,607.83x = 18,892.23 × 8,660.98
  4. Step 4: Simplify right side
    12,607.83x = 163,625,226.19
  5. Step 5: Solve for x
    x = 163,625,226.19/12,607.83
  6. Step 6: Final answer
    x = 12,978.06

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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.